Capitalize "Cocoa" in c/b/ui/cocoa/extensions/.

chrome/browser/ui/cocoa/extensions/test_toolbar_actions_bar_helper_cocoa.mm

 // Copyright 2014 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.
 
 #include "chrome/browser/ui/toolbar/test_toolbar_actions_bar_helper.h"
 
 #import "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_actions_container_view.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_actions_controller.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 
 namespace {
 
-// The cocoa implementation of the TestToolbarActionsBarHelper, which creates
+// The Cocoa implementation of the TestToolbarActionsBarHelper, which creates
 // (and owns) a BrowserActionsController and BrowserActionsContainerView for
 // testing purposes.
 class TestToolbarActionsBarHelperCocoa : public TestToolbarActionsBarHelper {
  public:
   TestToolbarActionsBarHelperCocoa(Browser* browser,
                                    TestToolbarActionsBarHelperCocoa* mainBar);
   ~TestToolbarActionsBarHelperCocoa() override;
 
  private:
   // TestToolbarActionsBarHelper:
@@ skipping 31 matching lines @@
 
 }  // namespace
 
 scoped_ptr<TestToolbarActionsBarHelper> TestToolbarActionsBarHelper::Create(
     Browser* browser,
     TestToolbarActionsBarHelper* main_bar) {
   return make_scoped_ptr(new TestToolbarActionsBarHelperCocoa(
       browser,
       static_cast<TestToolbarActionsBarHelperCocoa*>(main_bar)));
 }