Android media: VideoFrame should not store so many sync points.

content/renderer/media/video_capture_message_filter.cc

Index: content/renderer/media/video_capture_message_filter.cc
diff --git a/content/renderer/media/video_capture_message_filter.cc b/content/renderer/media/video_capture_message_filter.cc
index f58347baf43dcf96d8c31c662d9f52a04e42902a..a5e1652c65cd8d1b4259695726818a7cb7d678bc 100644
--- a/content/renderer/media/video_capture_message_filter.cc
+++ b/content/renderer/media/video_capture_message_filter.cc
@@ -115,7 +115,7 @@ void VideoCaptureMessageFilter::OnBufferCreated(
     // to be returned.
     base::SharedMemory::CloseHandle(handle);
     Send(new VideoCaptureHostMsg_BufferReady(
-        device_id, buffer_id, std::vector<uint32>()));
+        device_id, buffer_id, std::map<uintptr_t, uint32>()));
     return;
   }
 
@@ -135,7 +135,7 @@ void VideoCaptureMessageFilter::OnBufferReceived(
     // Send the buffer back to Host in case it's waiting for all buffers
     // to be returned.
     Send(new VideoCaptureHostMsg_BufferReady(
-        device_id, buffer_id, std::vector<uint32>()));
+        device_id, buffer_id, std::map<uintptr_t, uint32>()));
     return;
   }
 
@@ -157,7 +157,7 @@ void VideoCaptureMessageFilter::OnMailboxBufferReceived(
     // Send the buffer back to Host in case it's waiting for all buffers
     // to be returned.
     Send(new VideoCaptureHostMsg_BufferReady(
-        device_id, buffer_id, std::vector<uint32>()));
+        device_id, buffer_id, std::map<uintptr_t, uint32>()));
     return;
   }