Move VISUAL_STATE promise to activation

content/renderer/gpu/frame_update_message_queue.h

 // Copyright 2014 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_RENDERER_GPU_FRAME_SWAP_MESSAGE_QUEUE_H_
-#define CONTENT_RENDERER_GPU_FRAME_SWAP_MESSAGE_QUEUE_H_
+#ifndef CONTENT_RENDERER_GPU_FRAME_UPDATE_MESSAGE_QUEUE_H_
+#define CONTENT_RENDERER_GPU_FRAME_UPDATE_MESSAGE_QUEUE_H_
 
 #include <map>
 #include <vector>
 
 #include "base/auto_reset.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/synchronization/lock.h"
+#include "cc/output/activation_promise.h"
 #include "cc/output/swap_promise.h"
 #include "content/common/content_export.h"
 #include "content/renderer/message_delivery_policy.h"
 
 namespace IPC {
 class Message;
 };
 
 namespace content {
 
-class FrameSwapMessageSubQueue;
+class FrameUpdateMessageSubQueue;
 
 // Queue used to keep track of which IPC::Messages should be sent along with a
 // particular compositor frame swap.
-class CONTENT_EXPORT FrameSwapMessageQueue
-    : public base::RefCountedThreadSafe<FrameSwapMessageQueue> {
+class CONTENT_EXPORT FrameUpdateMessageQueue
+    : public base::RefCountedThreadSafe<FrameUpdateMessageQueue> {
  public:
   class CONTENT_EXPORT SendMessageScope {
    public:
     virtual ~SendMessageScope() {}
   };
 
-  FrameSwapMessageQueue();
+  FrameUpdateMessageQueue();
 
   // Queues message to be returned on a matching DrainMessages call.
   //
   // |policy| determines how messages are matched with DrainMessages calls.
   // |source_frame_number| frame number to queue |msg| for.
   // |msg| - message to queue. The method takes ownership of |msg|.
   // |is_first| - output parameter. Set to true if this was the first message
   //              enqueued for the given source_frame_number.
   void QueueMessageForFrame(MessageDeliveryPolicy policy,
                             int source_frame_number,
                             scoped_ptr<IPC::Message> msg,
                             bool* is_first);
 
   // Returns true if there are no messages in the queue.
   bool Empty() const;
 
+  // Should be called when a successful activate occurs.
+  //
+  // |source_frame_number| frame number for which the activate occurred.
+  void DidActivate(int source_frame_number,
+                   ScopedVector<IPC::Message>* messages);
+
+  void DidNotActivate(int source_frame_number,
+                      cc::Promise::DidNotActivate::Reason reason,
+                      ScopedVector<IPC::Message>* messages);
+
   // Should be called when a successful swap occurs. The messages for that swap
   // can be obtained by calling DrainMessages.
   //
   // |source_frame_number| frame number for which the swap occurred.
   void DidSwap(int source_frame_number);
 
   // Should be called when we know a swap will not occur. This also means we
   // won't be expecting a DrainMessages call.
   //
   // |source_frame_number| frame number for which the swap will not occur.
   // |reason| reason for the which the swap will not occur.
   // |messages| depending on |reason| it may make sense to deliver certain
   //            messages asynchronously. This vector will contain those
   //            messages.
   void DidNotSwap(int source_frame_number,
-                  cc::SwapPromise::DidNotSwapReason reason,
+                  cc::Promise::DidNotSwap::Reason reason,
                   ScopedVector<IPC::Message>* messages);
 
   // A SendMessageScope object must be held by the caller when this method is
   // called.
   //
   // |messages| vector to store messages, it's not cleared, only appended to.
   //            The method will append messages queued for frame numbers lower
   //            or equal to |source_frame_number|
-  void DrainMessages(ScopedVector<IPC::Message>* messages);
+  void DrainMessagesForSwap(ScopedVector<IPC::Message>* messages);
 
   // SendMessageScope is used to make sure that messages sent from different
   // threads (impl/main) are scheduled in the right order on the IO threads.
   //
   // Returns an object that must be kept in scope till an IPC message containing
   // |messages| is sent.
   scoped_ptr<SendMessageScope> AcquireSendMessageScope();
 
   static void TransferMessages(ScopedVector<IPC::Message>& source,
                                std::vector<IPC::Message>* dest);
 
  private:
-  friend class base::RefCountedThreadSafe<FrameSwapMessageQueue>;
+  friend class base::RefCountedThreadSafe<FrameUpdateMessageQueue>;
 
-  FrameSwapMessageSubQueue* GetSubQueue(MessageDeliveryPolicy policy);
+  FrameUpdateMessageSubQueue* GetSubQueue(MessageDeliveryPolicy policy);
 
-  ~FrameSwapMessageQueue();
+  ~FrameUpdateMessageQueue();
 
   mutable base::Lock lock_;
-  scoped_ptr<FrameSwapMessageSubQueue> visual_state_queue_;
-  scoped_ptr<FrameSwapMessageSubQueue> swap_queue_;
-  ScopedVector<IPC::Message> next_drain_messages_;
+  scoped_ptr<FrameUpdateMessageSubQueue> visual_state_queue_;
+  scoped_ptr<FrameUpdateMessageSubQueue> swap_queue_;
+  scoped_ptr<FrameUpdateMessageSubQueue> activation_queue_;
 
-  DISALLOW_COPY_AND_ASSIGN(FrameSwapMessageQueue);
+  DISALLOW_COPY_AND_ASSIGN(FrameUpdateMessageQueue);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_RENDERER_GPU_FRAME_SWAP_MESSAGE_QUEUE_H_
+#endif  // CONTENT_RENDERER_GPU_FRAME_UPDATE_MESSAGE_QUEUE_H_