Move VISUAL_STATE promise to activation

content/renderer/gpu/frame_swap_message_queue.h

Index: content/renderer/gpu/frame_swap_message_queue.h
diff --git a/content/renderer/gpu/frame_swap_message_queue.h b/content/renderer/gpu/frame_swap_message_queue.h
index 51eb229ed7871ed8367a2b39c19c741d868ee28b..4d6280a7add49afa249249787786e99fb1c43467 100644
--- a/content/renderer/gpu/frame_swap_message_queue.h
+++ b/content/renderer/gpu/frame_swap_message_queue.h
@@ -52,8 +52,13 @@ class CONTENT_EXPORT FrameSwapMessageQueue
   // Returns true if there are no messages in the queue.
   bool Empty() const;
 
-  // Should be called when a successful swap occurs. The messages for that swap
-  // can be obtained by calling DrainMessages.
+  // Should be called when a successful activate occurs.
+  //
+  // |source_frame_number| frame number for which the activate occurred.
+  void DidActivate(int source_frame_number);
+
+  // Should be called when a successful activation occurs. The messages for that
+  // activation can be obtained by calling DrainMessages.
   //
   // |source_frame_number| frame number for which the swap occurred.
   void DidSwap(int source_frame_number);