[iOS] Adding dispatcher to Google sync services

Adding dispatcher to GoogleServicesNavigationCoordinator and
AdvancedSigninSettingsCoordinator, to be able to open links from the
advanced sign-in settings.

Bug: 883075, 948681
Change-Id: I18db56209daa32a5b1c3ad6e7b2c26878b51c0f9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1559310Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Commit-Queue: Jérôme Lebel <jlebel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#649820}

ios/chrome/app/main_controller.mm

@@ -1686,6 +1686,7 @@ enum class EnterTabSwitcherSnapshotResult {
           initWithBaseViewController:baseViewController
                         browserState:_mainBrowserState];
   _googleServicesNavigationCoordinator.delegate = self;
+  _googleServicesNavigationCoordinator.dispatcher = self;
   [_googleServicesNavigationCoordinator start];
 }
 

ios/chrome/browser/ui/settings/google_services/advanced_signin_settings_coordinator.h

@@ -8,6 +8,7 @@
 #import "ios/chrome/browser/ui/coordinators/chrome_coordinator.h"
 
 @class AdvancedSigninSettingsCoordinator;
+@protocol ApplicationCommands;
 
 // AdvancedSigninSettingsCoordinator delegate.
 @protocol AdvancedSigninSettingsCoordinatorDelegate <NSObject>
@@ -26,6 +27,8 @@
 // Delegate.
 @property(nonatomic, weak) id<AdvancedSigninSettingsCoordinatorDelegate>
     delegate;
+// Global dispatcher.
+@property(nonatomic, weak) id<ApplicationCommands> dispatcher;
 
 // Cancels the coordinator, and calls the delegate. This method does nothing if
 // called twice.

ios/chrome/browser/ui/settings/google_services/advanced_signin_settings_coordinator.mm

@@ -52,6 +52,7 @@ using l10n_util::GetNSString;
                     browserState:self.browserState
                             mode:
                               GoogleServicesSettingsModeAdvancedSigninSettings];
+  self.googleServicesSettingsCoordinator.dispatcher = self.dispatcher;
   self.googleServicesSettingsCoordinator.navigationController =
       self.advancedSigninSettingsNavigationController;
   [self.googleServicesSettingsCoordinator start];

ios/chrome/browser/ui/settings/google_services/google_services_navigation_coordinator.h

@@ -7,6 +7,7 @@
 
 #import "ios/chrome/browser/ui/coordinators/chrome_coordinator.h"
 
+@protocol ApplicationCommands;
 @class GoogleServicesNavigationCoordinator;
 
 // GoogleServicesNavigationCoordinator delegate.
@@ -24,6 +25,8 @@
 // Delegate.
 @property(nonatomic, weak) id<GoogleServicesNavigationCoordinatorDelegate>
     delegate;
+// Global dispatcher.
+@property(nonatomic, weak) id<ApplicationCommands> dispatcher;
 
 @end
 

ios/chrome/browser/ui/settings/google_services/google_services_navigation_coordinator.mm

@@ -39,6 +39,7 @@
           initWithBaseViewController:self.navigationController
                         browserState:self.browserState
                                 mode:GoogleServicesSettingsModeSettings];
+  self.googleServicesSettingsCoordinator.dispatcher = self.dispatcher;
   self.googleServicesSettingsCoordinator.navigationController =
       self.navigationController;
   [self.googleServicesSettingsCoordinator start];

ios/chrome/browser/ui/settings/google_services/manage_sync_settings_coordinator.mm

@@ -60,6 +60,8 @@
 @implementation ManageSyncSettingsCoordinator
 
 - (void)start {
+  DCHECK(self.dispatcher);
+  DCHECK(self.navigationController);
   self.mediator = [[ManageSyncSettingsMediator alloc]
       initWithSyncService:self.syncService
           userPrefService:self.browserState->GetPrefs()];
@@ -73,7 +75,6 @@
   self.viewController.presentationDelegate = self;
   self.viewController.modelDelegate = self.mediator;
   self.mediator.consumer = self.viewController;
-  DCHECK(self.navigationController);
   [self.navigationController pushViewController:self.viewController
                                        animated:YES];
   _syncObserver.reset(new SyncObserverBridge(self, self.syncService));

ios/chrome/browser/ui/signin_interaction/signin_interaction_coordinator.mm

@@ -250,6 +250,7 @@
             initWithBaseViewController:self.presentingViewController
                           browserState:self.browserState];
     self.advancedSigninSettingsCoordinator.delegate = self;
+    self.advancedSigninSettingsCoordinator.dispatcher = self.dispatcher;
     [self.advancedSigninSettingsCoordinator start];
   } else {
     [self signinDoneWithSuccess:YES];