Install ipfs as a normal extension

app/brave_generated_resources.grd

@@ -395,7 +395,7 @@ By installing this extension, you are agreeing to the Google Widevine Terms of U
         Uses Hangouts component to enable screen sharing and other features in the browser.
       </message>
      <message name="IDS_SETTINGS_IPFS_COMPANION_ENABLED_DESC" desc="The description for IPFS companion switch in settings">
-        Uses IPFS companion component to support IPFS in the browser.
+        Uses IPFS companion extension to support IPFS in the browser.
       </message>
       <message name="IDS_SETTINGS_MANAGE_EXTENSIONS_LABEL" desc="The label of manage extensions link in settings">
         Manage extensions

browser/extensions/BUILD.gn

@@ -42,6 +42,7 @@ source_set("extensions") {
 
   deps = [
     "//base",
+    "//brave/common:pref_names",
     "//brave/common/extensions/api",
     "//brave/components/brave_extension:static_resources",
     "//brave/components/brave_extension:generated_resources",
@@ -53,7 +54,9 @@ source_set("extensions") {
     "//brave/components/brave_webtorrent:generated_resources",
     "//brave/components/brave_webtorrent:static_resources",
     "//chrome/browser",
+    "//components/prefs",
     "//content/public/browser",
     "//extensions/browser",
+    "//extensions/common",
   ]
 }

browser/extensions/brave_component_loader.cc

@@ -53,9 +53,6 @@ void BraveComponentLoader::OnComponentRegistered(std::string extension_id) {
   // to patch for friend access.
   demand_updater.OnDemandUpdate(g_browser_process->component_updater(),
       extension_id);
-  if (testing_callbacks_) {
-    testing_callbacks_->OnComponentRegistered(extension_id);
-  }
 }
 
 void BraveComponentLoader::OnComponentReady(std::string extension_id,
@@ -127,11 +124,6 @@ void BraveComponentLoader::AddDefaultComponentExtensions(
       brave_webtorrent_path.Append(FILE_PATH_LITERAL("brave_webtorrent"));
     Add(IDR_BRAVE_WEBTORRENT, brave_webtorrent_path);
   }
-
-  if (profile_prefs_->GetBoolean(kIPFSCompanionEnabled)) {
-    AddExtension(ipfs_companion_extension_id, ipfs_companion_extension_name,
-      ipfs_companion_extension_public_key);
-  }
 }
 
 void BraveComponentLoader::ObserveOpenPdfExternallySetting() {

browser/extensions/brave_component_loader.h

@@ -57,7 +57,6 @@ class BraveComponentLoader : public ComponentLoader {
       WILL_REMOVE,
     };
     virtual void OnPdfExtensionAction(PdfExtensionAction action) = 0;
-    virtual void OnComponentRegistered(std::string extension_id) = 0;
   };
 
   void set_testing_callbacks(TestingCallbacks* testing_callbacks);

browser/extensions/brave_component_loader_browsertest.cc

@@ -14,11 +14,8 @@
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/test/browser_test_utils.h"
-#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using ::testing::_;
-using ::testing::AnyNumber;
 using extensions::BraveComponentLoader;
 
 class BraveComponentLoaderTest : public extensions::ExtensionFunctionalTest,
@@ -35,8 +32,6 @@ class BraveComponentLoaderTest : public extensions::ExtensionFunctionalTest,
     BraveComponentLoader* loader =
       static_cast<BraveComponentLoader*>(service->component_loader());
     loader->set_testing_callbacks(this);
-    // Do this again so OnComponentRegistered callback will be called.
-    loader->AddDefaultComponentExtensions(false);
   }
 
   // BraveComponentLoader::TestingCallbacks
@@ -45,8 +40,6 @@ class BraveComponentLoaderTest : public extensions::ExtensionFunctionalTest,
     pdf_extension_action_ = action;
   }
 
-  MOCK_METHOD1(OnComponentRegistered, void(std::string));
-
   TestingCallbacks::PdfExtensionAction pdf_extension_action() {
     return pdf_extension_action_;
   }
@@ -55,33 +48,6 @@ class BraveComponentLoaderTest : public extensions::ExtensionFunctionalTest,
   TestingCallbacks::PdfExtensionAction pdf_extension_action_;
 };
 
-class BraveIPFSExtensionTest: public BraveComponentLoaderTest {
- public:
-  BraveIPFSExtensionTest() {}
-  ~BraveIPFSExtensionTest() override = default;
-};
-
-IN_PROC_BROWSER_TEST_F(BraveIPFSExtensionTest, DisabledByDefault) {
-  ASSERT_FALSE(
-      profile()->GetPrefs()->GetBoolean(kIPFSCompanionEnabled));
-  EXPECT_CALL(*this, OnComponentRegistered(_)).Times(AnyNumber());
-  EXPECT_CALL(*this,
-      OnComponentRegistered(ipfs_companion_extension_id)).Times(0);
-}
-
-IN_PROC_BROWSER_TEST_F(BraveIPFSExtensionTest,
-                       PRE_IPFSCompanionEnabledDoesRegisterComponent) {
-  profile()->GetPrefs()->SetBoolean(kIPFSCompanionEnabled, true);
-}
-
-IN_PROC_BROWSER_TEST_F(BraveIPFSExtensionTest,
-                       IPFSCompanionEnabledDoesRegisterComponent) {
-  ASSERT_TRUE(
-      profile()->GetPrefs()->GetBoolean(kIPFSCompanionEnabled));
-  EXPECT_CALL(*this, OnComponentRegistered(_)).Times(AnyNumber());
-  EXPECT_CALL(*this, OnComponentRegistered(ipfs_companion_extension_id));
-}
-
 class BravePDFExtensionTest : public BraveComponentLoaderTest {
  public:
   BravePDFExtensionTest() {}

browser/extensions/brave_extension_management.cc

@@ -1,22 +1,33 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
+/* 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/. */
 
 #include "brave/browser/extensions/brave_extension_management.h"
 
+#include <memory>
+
 #include "base/command_line.h"
 #include "brave/browser/brave_browser_process_impl.h"
 #include "brave/common/brave_switches.h"
 #include "brave/common/extensions/extension_constants.h"
+#include "brave/common/pref_names.h"
 #include "brave/browser/extensions/brave_extension_provider.h"
 #include "brave/browser/extensions/brave_tor_client_updater.h"
 #include "chrome/browser/extensions/external_policy_loader.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/prefs/pref_service.h"
+#include "extensions/browser/extension_registry.h"
+#include "extensions/common/extension.h"
 #include "extensions/common/extension_urls.h"
 
 namespace extensions {
 
 BraveExtensionManagement::BraveExtensionManagement(Profile* profile)
-    : ExtensionManagement(profile) {
+    : ExtensionManagement(profile),
+      extension_registry_observer_(this) {
+  extension_registry_observer_.Add(ExtensionRegistry::Get(
+        static_cast<content::BrowserContext*>(profile)));
   providers_.push_back(
       std::make_unique<BraveExtensionProvider>());
   RegisterBraveExtensions();
@@ -32,4 +43,19 @@ void BraveExtensionManagement::RegisterBraveExtensions() {
     g_brave_browser_process->tor_client_updater()->Register();
 }
 
+void BraveExtensionManagement::OnExtensionLoaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension) {
+  if (extension->id() == ipfs_companion_extension_id)
+    pref_service_->SetBoolean(kIPFSCompanionEnabled, true);
+}
+
+void BraveExtensionManagement::OnExtensionUnloaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension,
+    UnloadedExtensionReason reason) {
+  if (extension->id() == ipfs_companion_extension_id)
+    pref_service_->SetBoolean(kIPFSCompanionEnabled, false);
+}
+
 }  // namespace extensions

browser/extensions/brave_extension_management.h

@@ -1,24 +1,43 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
+/* 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/. */
 
-#ifndef BRAVE_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
-#define BRAVE_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
+#ifndef BRAVE_BROWSER_EXTENSIONS_BRAVE_EXTENSION_MANAGEMENT_H_
+#define BRAVE_BROWSER_EXTENSIONS_BRAVE_EXTENSION_MANAGEMENT_H_
 
+#include "base/scoped_observer.h"
 #include "chrome/browser/extensions/extension_management.h"
+#include "extensions/browser/extension_registry_observer.h"
 
 namespace extensions {
 
-class BraveExtensionManagement : public ExtensionManagement {
+class ExtensionRegistry;
+
+class BraveExtensionManagement : public ExtensionManagement,
+                                 public ExtensionRegistryObserver {
  public:
-  BraveExtensionManagement(Profile* profile);
+  explicit BraveExtensionManagement(Profile* profile);
   ~BraveExtensionManagement() override;
 
  private:
   void RegisterBraveExtensions();
+
+  // ExtensionRegistryObserver implementation.
+  void OnExtensionLoaded(
+      content::BrowserContext* browser_context,
+      const Extension* extension) override;
+  void OnExtensionUnloaded(
+      content::BrowserContext* browser_context,
+      const Extension* extension,
+      UnloadedExtensionReason reason) override;
+
+  ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
+    extension_registry_observer_;
+
   DISALLOW_COPY_AND_ASSIGN(BraveExtensionManagement);
 };
 
 }  // namespace extensions
 
-#endif  // BRAVE_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
+#endif  // BRAVE_BROWSER_EXTENSIONS_BRAVE_EXTENSION_MANAGEMENT_H_

browser/ui/BUILD.gn

@@ -114,6 +114,10 @@ source_set("ui") {
     "//brave/app/theme:brave_unscaled_resources",
     "//brave/app/theme:brave_theme_resources",
     "//brave/app/vector_icons:vector_icons",
+    "//brave/browser/devtools",
+    "//brave/browser/tor",
+    "//brave/browser/resources/md_extensions:resources",
+    "//brave/browser/resources/settings:resources",
     "//brave/common",
     "//brave/components/brave_adblock_ui:generated_resources",
     "//brave/components/brave_extension:static_resources",
@@ -127,14 +131,13 @@ source_set("ui") {
     "//brave/components/brave_sync:static_resources",
     "//brave/components/brave_sync:generated_resources",
     "//brave/components/brave_welcome_ui:generated_resources",
-    "//brave/browser/devtools",
-    "//brave/browser/tor",
-    "//brave/browser/resources/md_extensions:resources",
-    "//brave/browser/resources/settings:resources",
     "//chrome/app:command_ids",
+    "//chrome/browser/extensions",
     "//chrome/common",
+    "//components/prefs",
     "//content/public/browser",
     "//content/public/common",
+    "//extensions/browser",
     "//skia",
     "//ui/accessibility",
     "//ui/base",

browser/ui/webui/settings/brave_default_extensions_handler.cc

@@ -11,13 +11,24 @@
 #include "base/values.h"
 #include "brave/browser/extensions/brave_component_loader.h"
 #include "brave/common/extensions/extension_constants.h"
+#include "brave/common/pref_names.h"
 #include "brave/components/brave_webtorrent/grit/brave_webtorrent_resources.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/webstore_install_with_prompt.h"
 #include "chrome/browser/profiles/profile.h"
+#include "components/prefs/pref_service.h"
 #include "content/public/browser/web_ui.h"
+#include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 
+BraveDefaultExtensionsHandler::BraveDefaultExtensionsHandler()
+  : weak_ptr_factory_(this) {
+}
+
+BraveDefaultExtensionsHandler::~BraveDefaultExtensionsHandler() {
+}
+
 void BraveDefaultExtensionsHandler::RegisterMessages() {
   profile_ = Profile::FromWebUI(web_ui());
   web_ui()->RegisterMessageCallback(
@@ -83,6 +94,24 @@ void BraveDefaultExtensionsHandler::SetHangoutsEnabled(
   }
 }
 
+bool BraveDefaultExtensionsHandler::IsExtensionInstalled(
+    const std::string& extension_id) const {
+  extensions::ExtensionRegistry* registry =
+    extensions::ExtensionRegistry::Get(
+        static_cast<content::BrowserContext*>(profile_));
+  return registry && registry->GetInstalledExtension(extension_id);
+}
+
+void BraveDefaultExtensionsHandler::OnInstallResult(
+    const std::string& pref_name,
+    bool success, const std::string& error,
+    extensions::webstore_install::Result result) {
+  if (result != extensions::webstore_install::Result::SUCCESS &&
+      result != extensions::webstore_install::Result::LAUNCH_IN_PROGRESS) {
+    profile_->GetPrefs()->SetBoolean(pref_name, false);
+  }
+}
+
 void BraveDefaultExtensionsHandler::SetIPFSCompanionEnabled(
     const base::ListValue* args) {
   CHECK_EQ(args->GetSize(), 1U);
@@ -91,19 +120,19 @@ void BraveDefaultExtensionsHandler::SetIPFSCompanionEnabled(
   args->GetBoolean(0, &enabled);
 
   extensions::ExtensionService* service =
-    extensions::ExtensionSystem::Get(profile_)->extension_service();
-
+  extensions::ExtensionSystem::Get(profile_)->extension_service();
   if (enabled) {
-    extensions::ComponentLoader* loader = service->component_loader();
-    if (!loader->Exists(ipfs_companion_extension_id)) {
-      static_cast<extensions::BraveComponentLoader*>(loader)->
-          AddExtension(ipfs_companion_extension_id,
-                       ipfs_companion_extension_name,
-                       ipfs_companion_extension_public_key);
+    if (!IsExtensionInstalled(ipfs_companion_extension_id)) {
+      scoped_refptr<extensions::WebstoreInstallWithPrompt> installer =
+        new extensions::WebstoreInstallWithPrompt(
+            ipfs_companion_extension_id, profile_,
+            base::BindOnce(&BraveDefaultExtensionsHandler::OnInstallResult,
+              weak_ptr_factory_.GetWeakPtr(), kIPFSCompanionEnabled));
+      installer->BeginInstall();
     }
     service->EnableExtension(ipfs_companion_extension_id);
   } else {
     service->DisableExtension(ipfs_companion_extension_id,
-        extensions::disable_reason::DisableReason::DISABLE_BLOCKED_BY_POLICY);
+        extensions::disable_reason::DisableReason::DISABLE_USER_ACTION);
   }
 }

browser/ui/webui/settings/brave_default_extensions_handler.h

@@ -6,14 +6,17 @@
 #ifndef BRAVE_BROWSER_UI_WEBUI_SETTINGS_BRAVE_DEFAULT_EXTENSIONS_HANDLER_H_
 #define BRAVE_BROWSER_UI_WEBUI_SETTINGS_BRAVE_DEFAULT_EXTENSIONS_HANDLER_H_
 
+#include <string>
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
+#include "chrome/common/extensions/webstore_install_result.h"
 
 class Profile;
 
 class BraveDefaultExtensionsHandler : public settings::SettingsPageUIHandler {
  public:
-  BraveDefaultExtensionsHandler() = default;
-  ~BraveDefaultExtensionsHandler() override = default;
+  BraveDefaultExtensionsHandler();
+  ~BraveDefaultExtensionsHandler() override;
 
  private:
   // SettingsPageUIHandler overrides:
@@ -25,7 +28,13 @@ class BraveDefaultExtensionsHandler : public settings::SettingsPageUIHandler {
   void SetHangoutsEnabled(const base::ListValue* args);
   void SetIPFSCompanionEnabled(const base::ListValue* args);
 
+  bool IsExtensionInstalled(const std::string& extension_id) const;
+  void OnInstallResult(const std::string& pref_name,
+      bool success, const std::string& error,
+      extensions::webstore_install::Result result);
+
   Profile* profile_ = nullptr;
+  base::WeakPtrFactory<BraveDefaultExtensionsHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BraveDefaultExtensionsHandler);
 };

chromium_src/chrome/browser/extensions/component_extensions_whitelist/whitelist.cc

@@ -23,8 +23,7 @@ namespace extensions {
       pdfjs_extension_id,
       brave_rewards_extension_id,
       brave_sync_extension_id,
-      brave_webtorrent_extension_id,
-      ipfs_companion_extension_id
+      brave_webtorrent_extension_id
     };
 
     for (size_t i = 0; i < base::size(kAllowed); ++i) {