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

chrome/browser/appcache/chrome_appcache_service_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 "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/ref_counted.h"
 #include "base/scoped_temp_dir.h"
 #include "chrome/browser/appcache/chrome_appcache_service.h"
 #include "chrome/browser/browser_thread.h"
 #include "chrome/common/chrome_constants.h"
+#include "chrome/test/testing_browser_process.h"
+#include "chrome/test/testing_browser_process_test.h"
 #include "chrome/test/thread_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/appcache/appcache_storage_impl.h"
 
 namespace appcache {
 
-class ChromeAppCacheServiceTest : public testing::Test {
+class ChromeAppCacheServiceTest : public TestingBrowserProcessTest {
  public:
   ChromeAppCacheServiceTest()
       : message_loop_(MessageLoop::TYPE_IO),
         db_thread_(BrowserThread::DB, &message_loop_),
         file_thread_(BrowserThread::FILE, &message_loop_),
         cache_thread_(BrowserThread::CACHE, &message_loop_),
         io_thread_(BrowserThread::IO, &message_loop_) {
   }
 
  protected:
@@ skipping 61 matching lines @@
   ASSERT_TRUE(file_util::PathExists(appcache_path));
   ASSERT_TRUE(file_util::PathExists(appcache_path.AppendASCII("Index")));
 
   appcache_service = NULL;
   message_loop_.RunAllPending();
 
   ASSERT_FALSE(file_util::PathExists(appcache_path));
 }
 
 }  // namespace appcache