Cleanup and IWYU-ify CocoaProfileTest and related tests.

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/mac/scoped_nsobject.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/command_updater.h"
+#include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_command_controller.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
 #import "chrome/browser/ui/cocoa/gradient_button_cell.h"
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 #import "chrome/browser/ui/cocoa/view_resizer_pong.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/test/base/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 // An NSView that fakes out hitTest:.
 @interface HitView : NSView {
   id hitTestReturn_;
 }
 @end
 
 @implementation HitView
@@ skipping 210 matching lines @@
   EXPECT_FALSE([bar_ hoverButtonForEvent:event]);
 
   // Now!
   base::scoped_nsobject<GradientButtonCell> cell(
       [[GradientButtonCell alloc] init]);
   [button setCell:cell.get()];
   EXPECT_TRUE([bar_ hoverButtonForEvent:nil]);
 }
 
 }  // namespace