Test cleanup: Using MockSpecialStoragePolicy instead of local subclasses of SpecialStoragePolicy.

webkit/quota/mock_special_storage_policy.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 "webkit/quota/mock_special_storage_policy.h"
 
 namespace quota {
 
-MockSpecialStoragePolicy::MockSpecialStoragePolicy() {}
+MockSpecialStoragePolicy::MockSpecialStoragePolicy()
+    : all_unlimited_(false) {}
+
 MockSpecialStoragePolicy::~MockSpecialStoragePolicy() {}
 
 bool MockSpecialStoragePolicy::IsStorageProtected(const GURL& origin) {
   return protected_.find(origin) != protected_.end();
 }
 
 bool MockSpecialStoragePolicy::IsStorageUnlimited(const GURL& origin) {
+  if (all_unlimited_)
+    return true;
   return unlimited_.find(origin) != unlimited_.end();
 }
 
 bool MockSpecialStoragePolicy::IsFileHandler(const std::string& extension_id) {
   return file_handlers_.find(extension_id) != file_handlers_.end();
 }
 
 }  // namespace quota