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

chrome/browser/background_contents_service_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 <string>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/background_contents_service.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/tab_contents/background_contents.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/testing_browser_process.h"
+#include "chrome/test/testing_browser_process_test.h"
 #include "chrome/test/testing_profile.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
-class BackgroundContentsServiceTest : public testing::Test {
+class BackgroundContentsServiceTest : public TestingBrowserProcessTest {
  public:
   BackgroundContentsServiceTest() {}
   ~BackgroundContentsServiceTest() {}
   void SetUp() {
     command_line_.reset(new CommandLine(CommandLine::NO_PROGRAM));
   }
 
   DictionaryValue* GetPrefs(Profile* profile) {
     return profile->GetPrefs()->GetMutableDictionary(
         prefs::kRegisteredBackgroundContents);
@@ skipping 183 matching lines @@
   contents->Navigate(url);
   EXPECT_EQ(1U, GetPrefs(&profile)->size());
   contents2->Navigate(url2);
   EXPECT_EQ(2U, GetPrefs(&profile)->size());
   service.ShutdownAssociatedBackgroundContents(ASCIIToUTF16("appid"));
   EXPECT_FALSE(service.IsTracked(contents));
   EXPECT_EQ(NULL, service.GetAppBackgroundContents(ASCIIToUTF16("appid")));
   EXPECT_EQ(1U, GetPrefs(&profile)->size());
   EXPECT_EQ(url2.spec(), GetPrefURLForApp(&profile, contents2->appid()));
 }