[ios clean] Move dispatcher out of Browser.

ios/clean/chrome/browser/ui/ntp/ntp_coordinator.mm

Index: ios/clean/chrome/browser/ui/ntp/ntp_coordinator.mm
diff --git a/ios/clean/chrome/browser/ui/ntp/ntp_coordinator.mm b/ios/clean/chrome/browser/ui/ntp/ntp_coordinator.mm
index bcfe9259e7aff6f64528d6959902b4de64b629ae..f125c411bad220ebaa23fbf9a6c90823ff8d1fcc 100644
--- a/ios/clean/chrome/browser/ui/ntp/ntp_coordinator.mm
+++ b/ios/clean/chrome/browser/ui/ntp/ntp_coordinator.mm
@@ -33,21 +33,20 @@
   self.viewController = [[NTPViewController alloc] init];
   self.mediator = [[NTPMediator alloc] initWithConsumer:self.viewController];
 
-  CommandDispatcher* dispatcher = self.browser->dispatcher();
   // NTPCommands
-  [dispatcher startDispatchingToTarget:self
-                           forSelector:@selector(showNTPHomePanel)];
-  [dispatcher startDispatchingToTarget:self
-                           forSelector:@selector(showNTPBookmarksPanel)];
-  [dispatcher startDispatchingToTarget:self
-                           forSelector:@selector(showNTPRecentTabsPanel)];
-  self.viewController.dispatcher = static_cast<id>(self.browser->dispatcher());
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(showNTPHomePanel)];
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(showNTPBookmarksPanel)];
+  [self.dispatcher startDispatchingToTarget:self
+                                forSelector:@selector(showNTPRecentTabsPanel)];
+  self.viewController.dispatcher = self.callableDispatcher;
   [super start];
 }
 
 - (void)stop {
   [super stop];
-  [self.browser->dispatcher() stopDispatchingToTarget:self];
+  [self.dispatcher stopDispatchingToTarget:self];
 }
 
 - (void)childCoordinatorDidStart:(BrowserCoordinator*)coordinator {