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

chrome/browser/ui/cocoa/status_icons/status_icon_mac_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.
 
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/status_icons/status_icon_menu_model.h"
-#import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/ui/cocoa/status_icons/status_icon_mac.h"
+#import "chrome/browser/ui/cocoa/test/cocoa_test_helper.h"
 #include "chrome/grit/chrome_unscaled_resources.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/resource/resource_bundle.h"
 
 class SkBitmap;
 
 class StatusIconMacTest : public CocoaTest {
 };
 
@@ skipping 31 matching lines @@
   std::unique_ptr<StatusIconMac> icon(new StatusIconMac());
   icon->UpdatePlatformContextMenu(model.get());
   icon->SetToolTip(base::ASCIIToUTF16(tool_tip));
   EXPECT_EQ(2, [[icon->item() menu] numberOfItems]);
 
   NSMenuItem* toolTipItem = [[icon->item() menu] itemAtIndex:0];
   EXPECT_STREQ(tool_tip, [[toolTipItem title] UTF8String]);
   NSMenuItem* menuItem = [[icon->item() menu] itemAtIndex:1];
   EXPECT_STREQ(menu_title, [[menuItem title] UTF8String]);
 }