Move command handling and updating off Browser and onto a helper object.

chrome/browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm

 // Copyright (c) 2012 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 <Cocoa/Cocoa.h>
 
 #import "base/memory/scoped_nsobject.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
 #import "chrome/browser/ui/cocoa/gradient_button_cell.h"
@@ skipping 32 matching lines @@
   // |-toolbarViews| method.
   enum {
     kBackIndex, kForwardIndex, kReloadIndex, kHomeIndex,
     kWrenchIndex, kLocationIndex, kBrowserActionContainerViewIndex
   };
 
   virtual void SetUp() {
     CocoaProfileTest::SetUp();
     ASSERT_TRUE(browser());
 
-    CommandUpdater* updater = browser()->command_updater();
+    CommandUpdater* updater =
+        browser()->command_controller()->command_updater();
     // The default state for the commands is true, set a couple to false to
     // ensure they get picked up correct on initialization
     updater->UpdateCommandEnabled(IDC_BACK, false);
     updater->UpdateCommandEnabled(IDC_FORWARD, false);
     resizeDelegate_.reset([[ViewResizerPong alloc] init]);
     bar_.reset(
         [[ToolbarController alloc] initWithModel:browser()->toolbar_model()
                                         commands:browser()->command_updater()
                                          profile:profile()
                                          browser:browser()
@@ skipping 165 matching lines @@
   [view setHitTestReturn:button];
   EXPECT_FALSE([bar_ hoverButtonForEvent:event]);
 
   // Now!
   scoped_nsobject<GradientButtonCell> cell([[GradientButtonCell alloc] init]);
   [button setCell:cell.get()];
   EXPECT_TRUE([bar_ hoverButtonForEvent:nil]);
 }
 
 }  // namespace