Quota: Return a pair of usage and granted_quota on requesting quota.

content/child/quota_dispatcher.h

 // 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.
 
 #ifndef CONTENT_CHILD_QUOTA_DISPATCHER_H_
 #define CONTENT_CHILD_QUOTA_DISPATCHER_H_
 
 #include <map>
 #include <set>
 
@@ skipping 21 matching lines @@
 // Dispatches and sends quota related messages sent to/from a child
 // process from/to the main browser process.  There is one instance
 // per each thread.  Thread-specific instance can be obtained by
 // ThreadSpecificInstance().
 class QuotaDispatcher : public webkit_glue::WorkerTaskRunner::Observer {
  public:
   class Callback {
    public:
     virtual ~Callback() {}
     virtual void DidQueryStorageUsageAndQuota(int64 usage, int64 quota) = 0;
-    virtual void DidGrantStorageQuota(int64 granted_quota) = 0;
+    virtual void DidGrantStorageQuota(int64 usage, int64 granted_quota) = 0;
     virtual void DidFail(quota::QuotaStatusCode status) = 0;
   };
 
   QuotaDispatcher(ThreadSafeSender* thread_safe_sender,
                   QuotaMessageFilter* quota_message_filter);
   virtual ~QuotaDispatcher();
 
   // |thread_safe_sender| and |quota_message_filter| are used if
   // calling this leads to construction.
   static QuotaDispatcher* ThreadSpecificInstance(
@@ skipping 17 matching lines @@
   // Creates a new Callback instance for WebStorageQuotaCallbacks.
   static Callback* CreateWebStorageQuotaCallbacksWrapper(
       blink::WebStorageQuotaCallbacks* callbacks);
 
  private:
   // Message handlers.
   void DidQueryStorageUsageAndQuota(int request_id,
                                     int64 current_usage,
                                     int64 current_quota);
   void DidGrantStorageQuota(int request_id,
+                            int64 current_usage,
                             int64 granted_quota);
   void DidFail(int request_id,
                quota::QuotaStatusCode error);
 
   IDMap<Callback, IDMapOwnPointer> pending_quota_callbacks_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<QuotaMessageFilter> quota_message_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_QUOTA_DISPATCHER_H_