GTTF: Use a fresh TestingBrowserProcess for each test, part #1

chrome/browser/background_mode_manager_unittest.cc

 // Copyright (c) 2010 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/command_line.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/background_mode_manager.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/test/testing_browser_process.h"
+#include "chrome/test/testing_browser_process_test.h"
 #include "chrome/test/testing_profile.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::InSequence;
 
-class BackgroundModeManagerTest : public testing::Test {
+class BackgroundModeManagerTest : public TestingBrowserProcessTest {
  public:
   BackgroundModeManagerTest() {}
   ~BackgroundModeManagerTest() {}
   void SetUp() {
     command_line_.reset(new CommandLine(CommandLine::NO_PROGRAM));
   }
   scoped_ptr<CommandLine> command_line_;
 };
 
 class TestBackgroundModeManager : public BackgroundModeManager {
@@ skipping 29 matching lines @@
   // and call to AppUninstalled() set chrome to not launch on startup.
   EXPECT_CALL(manager, EnableLaunchOnStartup(true));
   EXPECT_CALL(manager, CreateStatusTrayIcon());
   EXPECT_CALL(manager, RemoveStatusTrayIcon());
   EXPECT_CALL(manager, EnableLaunchOnStartup(false));
   manager.OnBackgroundAppInstalled();
   manager.OnBackgroundAppLoaded();
   manager.OnBackgroundAppUnloaded();
   manager.OnBackgroundAppUninstalled();
 }