[ios clean] Move dispatcher out of Browser.

ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.h"
 
 #import "ios/clean/chrome/browser/ui/commands/tools_menu_commands.h"
 #import "ios/clean/chrome/browser/ui/omnibox/location_bar_coordinator.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_view_controller.h"
@@ skipping 32 matching lines @@
 }
 
 - (void)setWebState:(web::WebState*)webState {
   _webState = webState;
   self.mediator.webState = self.webState;
 }
 
 - (void)start {
   self.viewController = [[ToolbarViewController alloc] init];
 
-  CommandDispatcher* dispatcher = self.browser->dispatcher();
-  [dispatcher startDispatchingToTarget:self
-                           forSelector:@selector(showToolsMenu)];
-  [dispatcher startDispatchingToTarget:self
-                           forSelector:@selector(closeToolsMenu)];
-  [dispatcher startDispatchingToTarget:self forSelector:@selector(goBack)];
-  [dispatcher startDispatchingToTarget:self forSelector:@selector(goForward)];
-  [dispatcher startDispatchingToTarget:self forSelector:@selector(reloadPage)];
-  [dispatcher startDispatchingToTarget:self
-                           forSelector:@selector(stopLoadingPage)];
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(showToolsMenu)];
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(closeToolsMenu)];
+  [self.dispatcher startDispatchingToTarget:self forSelector:@selector(goBack)];
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(goForward)];
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(reloadPage)];
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(stopLoadingPage)];
 
-  self.viewController.dispatcher = static_cast<id>(self.browser->dispatcher());
+  self.viewController.dispatcher = self.callableDispatcher;
   self.mediator.consumer = self.viewController;
   self.mediator.webStateList = &self.browser->web_state_list();
 
   [self.browser->broadcaster()
       addObserver:self.mediator
       forSelector:@selector(broadcastTabStripVisible:)];
   LocationBarCoordinator* locationBarCoordinator =
       [[LocationBarCoordinator alloc] init];
   self.locationBarCoordinator = locationBarCoordinator;
   [self addChildCoordinator:locationBarCoordinator];
   [locationBarCoordinator start];
 
   [super start];
 }
 
 - (void)stop {
   [super stop];
   [self.browser->broadcaster()
       removeObserver:self.mediator
          forSelector:@selector(broadcastTabStripVisible:)];
-  [self.browser->dispatcher() stopDispatchingToTarget:self];
+  [self.dispatcher stopDispatchingToTarget:self];
 }
 
 - (void)childCoordinatorDidStart:(BrowserCoordinator*)childCoordinator {
   if ([childCoordinator isKindOfClass:[LocationBarCoordinator class]]) {
     self.viewController.locationBarViewController =
         self.locationBarCoordinator.viewController;
   } else if ([childCoordinator isKindOfClass:[ToolsCoordinator class]]) {
     [self.viewController presentViewController:childCoordinator.viewController
                                       animated:YES
                                     completion:nil];
@@ skipping 45 matching lines @@
 - (void)stopLoadingPage {
   self.webState->Stop();
 }
 
 - (void)reloadPage {
   self.webState->GetNavigationManager()->Reload(web::ReloadType::NORMAL,
                                                 false /*check_for_repost*/);
 }
 
 @end