GTTF: Use a fresh TestingBrowserProcess for each test, part #4

chrome/browser/history/history_backend_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 <set>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/history/history_backend.h"
 #include "chrome/browser/history/history_notifications.h"
 #include "chrome/browser/history/in_memory_database.h"
 #include "chrome/browser/history/in_memory_history_backend.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/thumbnail_score.h"
+#include "chrome/test/testing_browser_process_test.h"
 #include "chrome/tools/profiles/thumbnail-inl.h"
 #include "content/common/notification_details.h"
 #include "content/common/notification_source.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/image/image.h"
 
 using base::Time;
 
@@ skipping 27 matching lines @@
   virtual void DBLoaded() OVERRIDE;
   virtual void StartTopSitesMigration() OVERRIDE;
 
  private:
   // Not owned by us.
   HistoryBackendTest* test_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryBackendTestDelegate);
 };
 
-class HistoryBackendTest : public testing::Test {
+class HistoryBackendTest : public TestingBrowserProcessTest {
  public:
   HistoryBackendTest() : bookmark_model_(NULL), loaded_(false) {}
   virtual ~HistoryBackendTest() {
   }
 
  protected:
   scoped_refptr<HistoryBackend> backend_;  // Will be NULL on init failure.
   scoped_ptr<InMemoryHistoryBackend> mem_backend_;
 
   void AddRedirectChain(const char* sequence[], int page_id) {
@@ skipping 898 matching lines @@
       url, icon_id, FAVICON, &replaced));
   EXPECT_EQ(0, replaced);
 
   std::vector<IconMapping> icon_mapping;
   EXPECT_TRUE(backend_->thumbnail_db_->GetIconMappingsForPageURL(
       url, &icon_mapping));
   EXPECT_EQ(1u, icon_mapping.size());
 }
 
 }  // namespace history