Remove windows/mac/ios specific code from //ui

ui/gfx/test/run_all_unittests.cc

 // 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 "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
 #include "ui/gfx/android/gfx_jni_registrar.h"
 #endif
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-#include "base/test/mock_chrome_application_mac.h"
-#endif
-
 namespace {
 
 class GfxTestSuite : public base::TestSuite {
  public:
   GfxTestSuite(int argc, char** argv) : base::TestSuite(argc, argv) {}
 
  protected:
   void Initialize() override {
     base::TestSuite::Initialize();
 
 #if defined(OS_ANDROID)
     gfx::android::RegisterJni(base::android::AttachCurrentThread());
 #endif
-
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-    mock_cr_app::RegisterMockCrApp();
-#endif
   }
 
   void Shutdown() override {
     base::TestSuite::Shutdown();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GfxTestSuite);
 };
 
 }  // namespace
 
 int main(int argc, char** argv) {
   GfxTestSuite test_suite(argc, argv);
 
   return base::LaunchUnitTests(
       argc,
       argv,
       base::Bind(&GfxTestSuite::Run, base::Unretained(&test_suite)));
 }