From c45c44020656aad5a5c1672a2b50213e73fc7ec3 Mon Sep 17 00:00:00 2001
From: Chiajung Hung <chung@mozilla.com>
Date: Thu, 30 May 2013 08:10:02 -0400
Subject: [PATCH] Bug 875246 - Ensure that UpdateTexture
 DispatchImageClientUpdate only dispatches if not in the ImageBridge thread.
 r=kchen

DispatchImageClientUpdate is a helper function to dispatch IPC message, only dispatch when not in the ImageBridge thread can improve responsibility.
---
 gfx/layers/ipc/ImageBridgeChild.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gfx/layers/ipc/ImageBridgeChild.cpp b/gfx/layers/ipc/ImageBridgeChild.cpp
index c5d60c1dba40..6b13c19cc741 100644
--- a/gfx/layers/ipc/ImageBridgeChild.cpp
+++ b/gfx/layers/ipc/ImageBridgeChild.cpp
@@ -310,6 +310,10 @@ static void UpdateImageClientNow(ImageClient* aClient, ImageContainer* aContaine
 void ImageBridgeChild::DispatchImageClientUpdate(ImageClient* aClient,
                                                  ImageContainer* aContainer)
 {
+  if (InImageBridgeChildThread()) {
+    UpdateImageClientNow(aClient, aContainer);
+    return;
+  }
   sImageBridgeChildSingleton->GetMessageLoop()->PostTask(
     FROM_HERE,
     NewRunnableFunction(&UpdateImageClientNow, aClient, aContainer));