Move BrowserThread to content namespace.

chrome/browser/extensions/extension_settings_frontend_unittest.cc

 // Copyright (c) 2011 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 "testing/gtest/include/gtest/gtest.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/scoped_temp_dir.h"
 #include "chrome/browser/extensions/extension_settings_backend.h"
 #include "chrome/browser/extensions/extension_settings_frontend.h"
 #include "chrome/browser/extensions/extension_settings_storage.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/test/test_browser_thread.h"
 
+using content::BrowserThread;
+
 class ExtensionSettingsFrontendTest : public testing::Test {
  public:
    ExtensionSettingsFrontendTest()
       : ui_thread_(BrowserThread::UI, MessageLoop::current()),
         file_thread_(BrowserThread::FILE, MessageLoop::current()) {}
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     profile_.reset(new TestingProfile(temp_dir_.path()));
     frontend_.reset(new ExtensionSettingsFrontend(profile_.get()));
@@ skipping 97 matching lines @@
   ASSERT_FALSE(result.HasError());
   EXPECT_TRUE(file_util::PathExists(temp_dir_.path()));
 
   frontend_.reset();
   MessageLoop::current()->RunAllPending();
   // TODO(kalman): Figure out why this fails, despite appearing to work.
   // Leaving this commented out rather than disabling the whole test so that the
   // deletion code paths are at least exercised.
   //EXPECT_FALSE(file_util::PathExists(temp_dir_.path()));
 }