Quota: Factor out (Mock)QuotaManagerProxy into its own file for readability

webkit/browser/database/database_tracker.cc

 // Copyright (c) 2012 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 "webkit/browser/database/database_tracker.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/platform_file.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/net_errors.h"
 #include "sql/connection.h"
 #include "sql/meta_table.h"
 #include "sql/transaction.h"
 #include "third_party/sqlite/sqlite3.h"
 #include "webkit/browser/database/database_quota_client.h"
 #include "webkit/browser/database/database_util.h"
 #include "webkit/browser/database/databases_table.h"
-#include "webkit/browser/quota/quota_manager.h"
+#include "webkit/browser/quota/quota_manager_proxy.h"
 #include "webkit/browser/quota/special_storage_policy.h"
 #include "webkit/common/database/database_identifier.h"
 
 namespace webkit_database {
 
 const base::FilePath::CharType kDatabaseDirectoryName[] =
     FILE_PATH_LITERAL("databases");
 const base::FilePath::CharType kIncognitoDatabaseDirectoryName[] =
     FILE_PATH_LITERAL("databases-incognito");
 const base::FilePath::CharType kTrackerDatabaseFileName[] =
@@ skipping 825 matching lines @@
   if (!db_tracker_thread_->BelongsToCurrentThread()) {
     db_tracker_thread_->PostTask(
         FROM_HERE,
         base::Bind(&DatabaseTracker::SetForceKeepSessionState, this));
     return;
   }
   force_keep_session_state_ = true;
 }
 
 }  // namespace webkit_database