Create c/b/ui/cocoa/test and move test files to there

chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa_browsertest.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 "chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/mac/scoped_nsobject.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
 #include "chrome/browser/ui/browser.h"
-#import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
+#import "chrome/browser/ui/cocoa/test/cocoa_test_helper.h"
 #include "chrome/browser/ui/content_settings/content_setting_bubble_model.h"
 #include "chrome/browser/ui/content_settings/content_setting_image_model.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "content/public/common/media_stream_request.h"
 #include "testing/gtest_mac.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
@@ skipping 80 matching lines @@
                 (content::MEDIA_DEVICE_VIDEO_CAPTURE == i->second->type));
     EXPECT_EQ(0, [i->first numberOfItems]);
     EXPECT_NSEQ(title, [i->first title]);
     EXPECT_FALSE([i->first isEnabled]);
   }
 
  [parent_ close];
 }
 
 }  // namespace