[iOS][Settings][M117] Add metrics for Address Bar settings page

Add user action for the address bar settings page actions.
- Page shown
- Top address bar selected
- Bottom address bar selected
- Back button tapped
- Page dismissed

(cherry picked from commit 8e48a24)

Bug: 1470688
Change-Id: I2c835f1d1f57c1b924412838647faf869ba8f7df
Low-Coverage-Reason: UI with no existing coverage.
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4757059
Reviewed-by: Elly FJ <ellyjones@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Christian Xu <christianxu@chromium.org>
Auto-Submit: Christian Xu <christianxu@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1182121}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4771482
Cr-Commit-Position: refs/branch-heads/5938@{#129}
Cr-Branched-From: 2b50cb4-refs/heads/main@{#1181205}

ios/chrome/browser/ui/settings/address_bar_preference/address_bar_preference_view_controller.h

@@ -6,13 +6,15 @@
 #define IOS_CHROME_BROWSER_UI_SETTINGS_ADDRESS_BAR_PREFERENCE_ADDRESS_BAR_PREFERENCE_VIEW_CONTROLLER_H_
 
 #import "ios/chrome/browser/ui/settings/address_bar_preference/address_bar_preference_consumer.h"
+#import "ios/chrome/browser/ui/settings/settings_controller_protocol.h"
 #import "ios/chrome/browser/ui/settings/settings_root_table_view_controller.h"
 
 @protocol AddressBarPreferenceServiceDelegate;
 
 // This class is the view controller for the address bar preference setting.
 @interface AddressBarPreferenceViewController
-    : SettingsRootTableViewController <AddressBarPreferenceConsumer>
+    : SettingsRootTableViewController <AddressBarPreferenceConsumer,
+                                       SettingsControllerProtocol>
 
 @property(nonatomic, weak) id<AddressBarPreferenceServiceDelegate>
     prefServiceDelegate;

ios/chrome/browser/ui/settings/address_bar_preference/address_bar_preference_view_controller.mm

@@ -4,6 +4,7 @@
 
 #import "ios/chrome/browser/ui/settings/address_bar_preference/address_bar_preference_view_controller.h"
 
+#import "base/metrics/user_metrics.h"
 #import "ios/chrome/browser/ui/settings/address_bar_preference/cells/address_bar_options_item.h"
 #import "ios/chrome/grit/ios_strings.h"
 #import "ui/base/l10n/l10n_util_mac.h"
@@ -67,4 +68,14 @@ - (void)setPreferenceForOmniboxAtBottom:(BOOL)omniboxAtBottom {
   }
 }
 
+#pragma mark - SettingsControllerProtocol
+
+- (void)reportDismissalUserAction {
+  base::RecordAction(base::UserMetricsAction("Settings.AddressBar.Dismissed"));
+}
+
+- (void)reportBackUserAction {
+  base::RecordAction(base::UserMetricsAction("Settings.AddressBar.Back"));
+}
+
 @end

ios/chrome/browser/ui/settings/address_bar_preference/cells/address_bar_options_item.mm

@@ -4,6 +4,7 @@
 
 #import "ios/chrome/browser/ui/settings/address_bar_preference/cells/address_bar_options_item.h"
 
+#import "base/metrics/user_metrics.h"
 #import "ios/chrome/browser/shared/ui/symbols/symbols.h"
 #import "ios/chrome/browser/ui/settings/address_bar_preference/cells/address_bar_option_item_view.h"
 #import "ios/chrome/browser/ui/settings/address_bar_preference/cells/address_bar_preference_service_delegate.h"
@@ -121,12 +122,22 @@ - (UIStackView*)addressBarPreferenceOptionsContent {
 // Notifies the address bar preference service to update the state to top
 // address bar.
 - (void)onSelectTopAddressBar {
+  if (_topAddressBar.selected) {
+    return;
+  }
+  base::RecordAction(
+      base::UserMetricsAction("Settings.AddressBar.TopAddressBar"));
   [_addressBarpreferenceServiceDelegate didSelectTopAddressBarPreference];
 }
 
 // Notifies the address bar preference service to update the state to bottom
 // address bar.
 - (void)onSelectBottomAddressBar {
+  if (_bottomAddressBar.selected) {
+    return;
+  }
+  base::RecordAction(
+      base::UserMetricsAction("Settings.AddressBar.BottomAddressBar"));
   [_addressBarpreferenceServiceDelegate didSelectBottomAddressBarPreference];
 }
 

ios/chrome/browser/ui/settings/settings_table_view_controller.mm

@@ -1386,6 +1386,7 @@ - (void)tableView:(UITableView*)tableView
           initWithBrowserState:_browserState];
       break;
     case SettingsItemTypeAddressBar:
+      base::RecordAction(base::UserMetricsAction("Settings.AddressBar.Opened"));
       [self showAddressBarPreferenceSetting];
       break;
     case SettingsItemTypePasswords:

tools/metrics/actions/actions.xml

@@ -29790,6 +29790,49 @@ should be able to be added at any place in this file.
   </description>
 </action>
 
+<action name="Settings.AddressBar.Back">
+  <owner>christianxu@chromium.org</owner>
+  <owner>gambard@chromium.org</owner>
+  <description>
+    Reported when user clicks the back button on the Address Bar Settings. iOS
+    only.
+  </description>
+</action>
+
+<action name="Settings.AddressBar.BottomAddressBar">
+  <owner>christianxu@chromium.org</owner>
+  <owner>gambard@chromium.org</owner>
+  <description>
+    Reported when user selects bottom address bar in Address Bar Settings. iOS
+    only.
+  </description>
+</action>
+
+<action name="Settings.AddressBar.Dismissed">
+  <owner>christianxu@chromium.org</owner>
+  <owner>gambard@chromium.org</owner>
+  <description>
+    Reported when user dismisses the Address Bar Settings. iOS only.
+  </description>
+</action>
+
+<action name="Settings.AddressBar.Opened">
+  <owner>christianxu@chromium.org</owner>
+  <owner>gambard@chromium.org</owner>
+  <description>
+    Reported when user navigates to Address Bar Settings. iOS only.
+  </description>
+</action>
+
+<action name="Settings.AddressBar.TopAddressBar">
+  <owner>christianxu@chromium.org</owner>
+  <owner>gambard@chromium.org</owner>
+  <description>
+    Reported when user selects top address bar in Address Bar Settings. iOS
+    only.
+  </description>
+</action>
+
 <action name="Settings.Bandwidth">
   <owner>gambard@chromium.org</owner>
   <owner>sczs@chromium.org</owner>