Move ui_test_utils::RunMessageLoop to test_utils so that it can be reused by content_browsertests.

chrome/browser/extensions/api/webstore_private/webstore_private_apitest.cc

 // 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 <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/bundle_installer.h"
@@ skipping 51 matching lines @@
       waiting_ = false;
       MessageLoopForUI::current()->Quit();
     }
   }
 
   void Wait() {
     if (received_success_ || received_failure_)
       return;
 
     waiting_ = true;
-    ui_test_utils::RunMessageLoop();
+    content::RunMessageLoop();
   }
 
   bool received_failure() const { return received_failure_; }
   bool received_success() const { return received_success_; }
   const std::string& id() const { return id_; }
   const std::string& error() const { return error_; }
 
  private:
   bool received_failure_;
   bool received_success_;
@@ skipping 369 matching lines @@
   blacklist->UpdateGpuDataManager();
   GpuFeatureType type =
       content::GpuDataManager::GetInstance()->GetGpuFeatureType();
   EXPECT_EQ(type, content::GPU_FEATURE_TYPE_WEBGL);
 
   bool webgl_allowed = false;
   RunTest(webgl_allowed);
 }
 
 }  // namespace extensions