Track usage per-origin at the lowest level instead of per-host.

webkit/quota/quota_manager.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/quota_manager.h"
 
 #include <algorithm>
 #include <deque>
 #include <set>
 
@@ skipping 957 matching lines @@
     GetUsageAndQuotaCallback* callback_ptr) {
   scoped_ptr<GetUsageAndQuotaCallback> callback(callback_ptr);
   LazyInitialize();
 
   if (type == kStorageTypeUnknown) {
     // Quota only supports temporary/persistent types.
     callback->Run(kQuotaErrorNotSupported, 0, 0);
     return;
   }
 
+  // note: returns host usage and quota
   std::string host = net::GetHostOrSpecFromURL(origin);
   UsageAndQuotaDispatcherTaskMap::iterator found =
       usage_and_quota_dispatchers_.find(std::make_pair(host, type));
   if (found == usage_and_quota_dispatchers_.end()) {
     UsageAndQuotaDispatcherTask* dispatcher =
         UsageAndQuotaDispatcherTask::Create(this, host, type);
     found = usage_and_quota_dispatchers_.insert(
         std::make_pair(std::make_pair(host, type), dispatcher)).first;
   }
   if (found->second->AddCallback(
@@ skipping 577 matching lines @@
 
 QuotaManagerProxy::QuotaManagerProxy(
     QuotaManager* manager, base::MessageLoopProxy* io_thread)
     : manager_(manager), io_thread_(io_thread) {
 }
 
 QuotaManagerProxy::~QuotaManagerProxy() {
 }
 
 }  // namespace quota