Add built-in support for the wayback machine

.github/CODEOWNERS

@@ -34,6 +34,10 @@ browser/net/ @iefremov
 # Widevine
 browser/widevine @simonhong
 
+# Wayback machine
+browser/ui/views/infobars/brave_wayback_machine_* @simonhong
+components/brave_wayback_machine @simonhong
+
 # Licensing of third-party components
 common/licenses/ @fmarier
 components/brave_new_tab_ui/data/backgrounds.ts @fmarier

app/brave_generated_resources.grd

@@ -416,6 +416,13 @@ By installing this extension, you are agreeing to the Google Widevine Terms of U
       <message name="IDS_SETTINGS_BRAVE_SYNC_LINK_LABEL" desc="Brave Sync link label">
         Access Sync via
       </message>
+      <!-- Help Tips Page -->
+      <message name="IDS_SETTINGS_HELP_TIPS" desc="Title for an item in the 'Help Tips' section of Brave Settings">
+        Help Tips
+      </message>
+      <message name="IDS_SETTINGS_HELP_TIPS_SHOW_BRAVE_WAYBACK_MACHINE_PROMPT" desc="The label describing the 'wayback machine' toggle option">
+        Show Wayback Machine prompt on 404 pages
+      </message>
       <!-- Brave Theme -->
       <message name="IDS_BRAVE_THEME_TYPE_LIGHT" desc="Text for light theme type">
         Light
@@ -665,6 +672,19 @@ By installing this extension, you are agreeing to the Google Widevine Terms of U
       <message name="IDS_BRAVE_CRYPTO_WALLETS_SETUP" desc="Use Crypto Wallets">
         SETUP
       </message>
+      <!-- Brave Wayback Machine -->
+      <message name="IDS_BRAVE_WAYBACK_MACHINE_INFOBAR_PAGE_MISSING_TEXT" desc="The label for sorry message when page is not available on infobar">
+        Sorry, that page is missing.
+      </message>
+      <message name="IDS_BRAVE_WAYBACK_MACHINE_INFOBAR_ASK_ABOUT_CHECK_TEXT" desc="The label for asking to check from wayback machine">
+        Do you want to check if a saved version is available on the Wayback Machine?
+      </message>
+      <message name="IDS_BRAVE_WAYBACK_MACHINE_INFOBAR_NOT_AVAILABLE_TEXT" desc="The label for wayback machine doesn't have saved version">
+        Sorry, there is no saved version available.
+      </message>
+      <message name="IDS_BRAVE_WAYBACK_MACHINE_CHECK_BUTTON_TEXT" desc="The label for check button on wayback infobar">
+        Check for saved version
+      </message>
       <!-- Brave's copyright statement -->
       <message name="IDS_BRAVE_VERSION_UI_LICENSE" desc="The label below the copyright message, containing the URLs.">
         Brave is made available to you under the <ph name="BEGIN_LINK_MPL">&lt;a target="_blank" href="$1"&gt;</ph>Mozilla Public License 2.0<ph name="END_LINK_MPL">&lt;/a&gt;</ph> (MPL) and includes <ph name="BEGIN_LINK_OSS">&lt;a target="_blank" href="$2"&gt;</ph>open source software<ph name="END_LINK_OSS">&lt;/a&gt;</ph> under a variety of other licenses.

app/theme/brave_theme_resources.grd

@@ -15,6 +15,7 @@
       <!-- KEEP THESE IN ALPHABETICAL ORDER!  DO NOT ADD TO RANDOM PLACES JUST
            BECAUSE YOUR RESOURCES ARE FUNCTIONALLY RELATED OR FALL UNDER THE
            SAME CONDITIONALS. -->
+      <structure type="chrome_scaled_image" name="IDR_BRAVE_WAYBACK_INFOBAR" file="brave/brave_wayback_infobar.png" />
       <structure type="chrome_scaled_image" name="IDR_PRODUCT_LOGO_32_BETA" file="brave/product_logo_32_beta.png" />
       <structure type="chrome_scaled_image" name="IDR_PRODUCT_LOGO_32_CANARY" file="brave/product_logo_32_nightly.png" />
       <structure type="chrome_scaled_image" name="IDR_PRODUCT_LOGO_32_DEV" file="brave/product_logo_32_dev.png" />

app/vector_icons/BUILD.gn

@@ -10,6 +10,7 @@ aggregate_vector_icons("brave_vector_icons") {
   icons = [
     "autoplay_status.icon",
     "download_unlock.icon",
+    "sad_folder.icon",
     "tor_profile.icon",
   ]
 }
@@ -23,4 +24,4 @@ source_set("vector_icons") {
     "//skia",
     "//ui/gfx",
   ]
-}
+}

app/vector_icons/sad_folder.icon

@@ -0,0 +1,51 @@
+// Copyright (c) 2019 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+CANVAS_DIMENSIONS, 22,
+MOVE_TO, 8.77f, 2.75f,
+R_CUBIC_TO, 0.15f, 0, 0.29f, 0.04f, 0.41f, 0.13f,
+LINE_TO, 11.23f, 4.26f,
+R_H_LINE_TO, 7.22f,
+R_CUBIC_TO, 0.82f, 0, 1.49f, 0.68f, 1.49f, 1.51f,
+R_V_LINE_TO, 10.59f,
+R_CUBIC_TO, 0, 0.83f, -0.67f, 1.51f, -1.49f, 1.51f,
+H_LINE_TO, 3.55f,
+R_CUBIC_TO, -0.82f, 0, -1.49f, -0.68f, -1.49f, -1.51f,
+R_V_LINE_TO, -12.1f,
+R_CUBIC_TO, 0, -0.83f, 0.67f, -1.51f, 1.49f, -1.51f,
+H_LINE_TO, 8.77f,
+CLOSE,
+R_MOVE_TO, -0.23f, 1.51f,
+R_H_LINE_TO, -4.99f,
+R_V_LINE_TO, 12.1f,
+H_LINE_TO, 18.45f,
+V_LINE_TO, 5.78f,
+R_H_LINE_TO, -7.44f,
+R_CUBIC_TO, -0.07f, 0, -0.15f, -0.01f, -0.22f, -0.03f,
+R_CUBIC_TO, -0.08f, -0.02f, -0.15f, -0.06f, -0.21f, -0.1f,
+LINE_TO, 8.54f, 4.26f,
+CLOSE,
+MOVE_TO, 11, 11.07f,
+R_CUBIC_TO, 1.18f, 0, 2.34f, 0.49f, 3.46f, 1.43f,
+R_CUBIC_TO, 0.32f, 0.27f, 0.36f, 0.74f, 0.1f, 1.07f,
+R_CUBIC_TO, -0.26f, 0.32f, -0.73f, 0.36f, -1.05f, 0.1f,
+CUBIC_TO, 12.64f, 12.93f, 11.81f, 12.58f, 11, 12.58f,
+R_CUBIC_TO, -0.81f, 0, -1.64f, 0.35f, -2.5f, 1.08f,
+R_CUBIC_TO, -0.32f, 0.27f, -0.79f, 0.22f, -1.05f, -0.1f,
+R_CUBIC_TO, -0.26f, -0.32f, -0.22f, -0.8f, 0.1f, -1.07f,
+CUBIC_TO, 8.66f, 11.56f, 9.82f, 11.07f, 11, 11.07f,
+CLOSE,
+R_MOVE_TO, -2.23f, -3.02f,
+R_CUBIC_TO, 0.41f, 0, 0.74f, 0.34f, 0.74f, 0.76f,
+R_CUBIC_TO, 0, 0.42f, -0.33f, 0.76f, -0.74f, 0.76f,
+R_CUBIC_TO, -0.41f, 0, -0.74f, -0.34f, -0.74f, -0.76f,
+R_CUBIC_TO, 0, -0.42f, 0.33f, -0.76f, 0.74f, -0.76f,
+CLOSE,
+R_MOVE_TO, 4.47f, 0,
+R_CUBIC_TO, 0.41f, 0, 0.74f, 0.34f, 0.74f, 0.76f,
+R_CUBIC_TO, 0, 0.42f, -0.33f, 0.76f, -0.74f, 0.76f,
+R_CUBIC_TO, -0.41f, 0, -0.74f, -0.34f, -0.74f, -0.76f,
+R_CUBIC_TO, 0, -0.42f, 0.33f, -0.76f, 0.74f, -0.76f,
+CLOSE

browser/BUILD.gn

@@ -3,6 +3,7 @@ import("//brave/browser/tor/buildflags/buildflags.gni")
 import("//brave/components/brave_ads/browser/buildflags/buildflags.gni")
 import("//brave/components/brave_sync/buildflags/buildflags.gni")
 import("//brave/components/brave_wallet/browser/buildflags/buildflags.gni")
+import("//brave/components/brave_wayback_machine/buildflags/buildflags.gni")
 import("//brave/components/brave_webtorrent/browser/buildflags/buildflags.gni")
 import("//brave/components/greaselion/browser/buildflags/buildflags.gni")
 import("//build/buildflag_header.gni")
@@ -118,9 +119,9 @@ source_set("browser_process") {
     "renderer_host",
     "ui",
     "//base",
+    "//brave/browser/notifications",
     "//brave/browser/tor:buildflags",
     "//brave/browser/translate/buildflags",
-    "//brave/browser/notifications",
     "//brave/common",
     "//brave/common:pref_names",
     "//brave/components/brave_ads/browser",
@@ -130,6 +131,7 @@ source_set("browser_process") {
     "//brave/components/brave_rewards/browser",
     "//brave/components/brave_shields/browser",
     "//brave/components/brave_wallet/browser",
+    "//brave/components/brave_wayback_machine:buildflags",
     "//brave/components/brave_webtorrent/browser/buildflags",
     "//brave/components/content_settings/core/browser",
     "//brave/components/greaselion/browser/buildflags",
@@ -263,6 +265,12 @@ source_set("browser_process") {
     ]
   }
 
+  if (enable_brave_wayback_machine) {
+    deps += [
+      "//brave/components/brave_wayback_machine",
+    ]
+  }
+
   if (enable_widevine) {
     sources += [
       "brave_drm_tab_helper.cc",

browser/brave_profile_prefs.cc

@@ -8,6 +8,7 @@
 #include "brave/common/pref_names.h"
 #include "brave/components/brave_shields/browser/brave_shields_web_contents_observer.h"
 #include "brave/components/brave_sync/brave_sync_prefs.h"
+#include "brave/components/brave_wayback_machine/buildflags.h"
 #include "brave/components/brave_webtorrent/browser/buildflags/buildflags.h"
 #include "chrome/browser/net/prediction_options.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
@@ -38,6 +39,10 @@
 #include "brave/browser/widevine/widevine_utils.h"
 #endif
 
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+#include "brave/components/brave_wayback_machine/pref_names.h"
+#endif
+
 using extensions::FeatureSwitch;
 
 namespace brave {
@@ -96,6 +101,11 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   webtorrent::RegisterProfilePrefs(registry);
 #endif
 
+  // wayback machine
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+  registry->RegisterBooleanPref(kBraveWaybackMachineEnabled, true);
+#endif
+
 #if defined(OS_ANDROID)
   registry->RegisterBooleanPref(kDesktopModeEnabled, false);
   registry->RegisterBooleanPref(kPlayYTVideoInBrowserEnabled, true);

browser/brave_profile_prefs_browsertest.cc

@@ -4,6 +4,7 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "brave/common/pref_names.h"
+#include "brave/components/brave_wayback_machine/buildflags.h"
 #include "chrome/browser/net/prediction_options.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
@@ -20,6 +21,10 @@
 #include "components/gcm_driver/gcm_channel_status_syncer.h"
 #endif
 
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+#include "brave/components/brave_wayback_machine/pref_names.h"
+#endif
+
 using BraveProfilePrefsBrowserTest = InProcessBrowserTest;
 
 // Check download prompt preference is set to true by default.
@@ -45,6 +50,10 @@ IN_PROC_BROWSER_TEST_F(BraveProfilePrefsBrowserTest, MiscBravePrefs) {
       browser()->profile()->GetPrefs()->GetBoolean(kLinkedInEmbedControlType));
   EXPECT_TRUE(
       browser()->profile()->GetPrefs()->GetBoolean(kWebTorrentEnabled));
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+  EXPECT_TRUE(browser()->profile()->GetPrefs()->
+      GetBoolean(kBraveWaybackMachineEnabled));
+#endif
   EXPECT_TRUE(
       browser()->profile()->GetPrefs()->GetBoolean(kHangoutsEnabled));
   EXPECT_FALSE(

browser/brave_tab_helpers.cc

@@ -10,6 +10,7 @@
 #include "brave/components/brave_rewards/browser/buildflags/buildflags.h"
 #include "brave/components/brave_shields/browser/brave_shields_web_contents_observer.h"
 #include "brave/components/brave_shields/browser/buildflags/buildflags.h"  // For STP
+#include "brave/components/brave_wayback_machine/buildflags.h"
 #include "brave/components/greaselion/browser/buildflags/buildflags.h"
 #include "content/public/browser/web_contents.h"
 #include "third_party/widevine/cdm/buildflags.h"
@@ -36,6 +37,10 @@
 #include "brave/browser/brave_drm_tab_helper.h"
 #endif
 
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+#include "brave/browser/infobars/brave_wayback_machine_delegate_impl.h"
+#endif
+
 namespace brave {
 
 void AttachTabHelpers(content::WebContents* web_contents) {
@@ -67,6 +72,10 @@ void AttachTabHelpers(content::WebContents* web_contents) {
   BraveDrmTabHelper::CreateForWebContents(web_contents);
 #endif
 
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+  BraveWaybackMachineDelegateImpl::AttachTabHelperIfNeeded(web_contents);
+#endif
+
   brave_ads::AdsTabHelper::CreateForWebContents(web_contents);
 }
 

browser/extensions/BUILD.gn

@@ -2,6 +2,7 @@ import("//brave/browser/tor/buildflags/buildflags.gni")
 import("//brave/components/brave_rewards/browser/buildflags/buildflags.gni")
 import("//brave/components/brave_sync/buildflags/buildflags.gni")
 import("//brave/components/brave_wallet/browser/buildflags/buildflags.gni")
+import("//brave/components/brave_wayback_machine/buildflags/buildflags.gni")
 import("//brave/components/brave_webtorrent/browser/buildflags/buildflags.gni")
 import("//build/config/features.gni")
 import("//components/gcm_driver/config.gni")
@@ -61,13 +62,15 @@ source_set("extensions") {
   deps = [
     "//base",
     "//brave/app:brave_generated_resources_grit",
+    "//brave/browser/tor:buildflags",
     "//brave/browser/webcompat_reporter",
     "//brave/common",
     "//brave/common:pref_names",
     "//brave/common/extensions/api",
     "//brave/components/brave_component_updater/browser",
     "//brave/components/brave_extension:generated_resources",
     "//brave/components/brave_extension:static_resources",
+    "//brave/components/brave_wayback_machine:buildflags",
     "//chrome/browser/extensions",
     "//components/gcm_driver:gcm_driver",
     "//components/gcm_driver:gcm_buildflags",
@@ -115,9 +118,9 @@ source_set("extensions") {
       "brave_webtorrent_navigation_throttle.h",
     ]
   }
-  if (enable_tor) {
+  if (enable_brave_wayback_machine) {
     deps += [
-      "//brave/browser/tor:buildflags",
+      "//brave/components/brave_wayback_machine",
     ]
   }
 }

browser/extensions/api/brave_wallet_api_browsertest.cc

@@ -101,8 +101,8 @@ class BraveWalletAPIBrowserTest : public InProcessBrowserTest,
     for (size_t i = 0; i < infobar_service->infobar_count(); i++) {
       InfoBarDelegate* delegate =
           infobar_service->infobar_at(i)->delegate();
-      if (delegate->GetIdentifier() == (InfoBarDelegate::InfoBarIdentifier)
-            CRYPTO_WALLETS_INFOBAR_DELEGATE) {
+      if (delegate->GetIdentifier() ==
+              InfoBarDelegate::CRYPTO_WALLETS_INFOBAR_DELEGATE) {
         ConfirmInfoBarDelegate* confirm_delegate =
             delegate->AsConfirmInfoBarDelegate();
         // Only the OK button should be present
@@ -118,8 +118,8 @@ class BraveWalletAPIBrowserTest : public InProcessBrowserTest,
     for (size_t i = 0; i < infobar_service->infobar_count(); i++) {
       InfoBarDelegate* delegate =
           infobar_service->infobar_at(i)->delegate();
-      if (delegate->GetIdentifier() == (InfoBarDelegate::InfoBarIdentifier)
-            CRYPTO_WALLETS_INFOBAR_DELEGATE) {
+      if (delegate->GetIdentifier() ==
+              InfoBarDelegate::CRYPTO_WALLETS_INFOBAR_DELEGATE) {
         ConfirmInfoBarDelegate* confirm_delegate =
             delegate->AsConfirmInfoBarDelegate();
         // Only the OK button should be present
@@ -148,8 +148,7 @@ class BraveWalletAPIBrowserTest : public InProcessBrowserTest,
   void OnInfoBarAdded(InfoBar* infobar) override {
     if (infobar_added_run_loop_ &&
         infobar->delegate()->GetIdentifier() ==
-            (InfoBarDelegate::InfoBarIdentifier)
-                CRYPTO_WALLETS_INFOBAR_DELEGATE) {
+            InfoBarDelegate::CRYPTO_WALLETS_INFOBAR_DELEGATE) {
       infobar_added_ = true;
       infobar_added_run_loop_->Quit();
     }

browser/extensions/api/settings_private/brave_prefs_util.cc

@@ -6,6 +6,7 @@
 #include "brave/browser/extensions/api/settings_private/brave_prefs_util.h"
 
 #include "brave/common/pref_names.h"
+#include "brave/components/brave_wayback_machine/buildflags.h"
 #include "chrome/browser/extensions/api/settings_private/prefs_util.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/extensions/api/settings_private.h"
@@ -16,6 +17,10 @@
 #include "components/gcm_driver/gcm_channel_status_syncer.h"
 #endif
 
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+#include "brave/components/brave_wayback_machine/pref_names.h"
+#endif
+
 namespace extensions {
 
 namespace settings_api = api::settings_private;
@@ -90,6 +95,10 @@ const PrefsUtil::TypedPrefMap& BravePrefsUtil::GetWhitelistedKeys() {
   // WebTorrent pref
   (*s_brave_whitelist)[kWebTorrentEnabled] =
       settings_api::PrefType::PREF_TYPE_BOOLEAN;
+#if BUILDFLAG(ENABLE_BRAVE_WAYBACK_MACHINE)
+  (*s_brave_whitelist)[kBraveWaybackMachineEnabled] =
+      settings_api::PrefType::PREF_TYPE_BOOLEAN;
+#endif
   // Hangouts pref
   (*s_brave_whitelist)[kHangoutsEnabled] =
       settings_api::PrefType::PREF_TYPE_BOOLEAN;

browser/infobars/BUILD.gn

@@ -1,10 +1,10 @@
 import("//build/config/features.gni")
+import("//brave/components/brave_wayback_machine/buildflags/buildflags.gni")
 
 source_set("infobars") {
   sources = [
     "brave_confirm_p3a_infobar_delegate.cc",
     "brave_confirm_p3a_infobar_delegate.h",
-    "brave_infobar_delegate.h",
     "crypto_wallets_infobar_delegate.cc",
     "crypto_wallets_infobar_delegate.h",
   ]
@@ -23,4 +23,15 @@ source_set("infobars") {
     "//ui/views",
     "//url",
   ]
+
+  if (enable_brave_wayback_machine) {
+    sources += [
+      "brave_wayback_machine_delegate_impl.cc",
+      "brave_wayback_machine_delegate_impl.h",
+    ]
+
+    deps += [
+      "//brave/components/brave_wayback_machine",
+    ]
+  }
 }

browser/infobars/brave_confirm_p3a_infobar_delegate.cc

@@ -47,7 +47,7 @@ BraveConfirmP3AInfoBarDelegate::~BraveConfirmP3AInfoBarDelegate() {}
 
 infobars::InfoBarDelegate::InfoBarIdentifier
 BraveConfirmP3AInfoBarDelegate::GetIdentifier() const {
-  return (InfoBarIdentifier)BRAVE_CONFIRM_P3A_INFOBAR_DELEGATE;
+  return BRAVE_CONFIRM_P3A_INFOBAR_DELEGATE;
 }
 
 const gfx::VectorIcon& BraveConfirmP3AInfoBarDelegate::GetVectorIcon() const {

browser/infobars/brave_confirm_p3a_infobar_delegate.h

@@ -12,8 +12,6 @@
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "url/gurl.h"
 
-#include "brave/browser/infobars/brave_infobar_delegate.h"
-
 class InfoBarService;
 class PrefService;