Implement TextureImageTransportSurface using texture mailbox

content/browser/gpu/gpu_process_host_ui_shim.cc

Index: content/browser/gpu/gpu_process_host_ui_shim.cc
diff --git a/content/browser/gpu/gpu_process_host_ui_shim.cc b/content/browser/gpu/gpu_process_host_ui_shim.cc
index 4a991e0af92c147bc32184c5c592fe9865899c84..d1f35dd2f9b313300793666b0e188c1e37cfdfcd 100644
--- a/content/browser/gpu/gpu_process_host_ui_shim.cc
+++ b/content/browser/gpu/gpu_process_host_ui_shim.cc
@@ -31,6 +31,11 @@
 #include <gdk/gdkx.h>  // NOLINT
 #endif
 
+// From gl2/gl2ext.h.
+#ifndef GL_MAILBOX_SIZE_CHROMIUM
+#define GL_MAILBOX_SIZE_CHROMIUM 64
+#endif
+
 namespace content {
 
 namespace {
@@ -302,8 +307,14 @@ void GpuProcessHostUIShim::OnAcceleratedSurfaceNew(
       params.surface_id);
   if (!view)
     return;
+
+  if (params.mailbox_name.length() &&
+      params.mailbox_name.length() != GL_MAILBOX_SIZE_CHROMIUM)
+    return;
+
   view->AcceleratedSurfaceNew(
-      params.width, params.height, params.surface_handle);
+      params.width, params.height, params.surface_handle,
+      params.mailbox_name);
 }
 
 static base::TimeDelta GetSwapDelay() {
@@ -323,7 +334,9 @@ void GpuProcessHostUIShim::OnAcceleratedSurfaceBuffersSwapped(
 
   ScopedSendOnIOThread delayed_send(
       host_id_,
-      new AcceleratedSurfaceMsg_BufferPresented(params.route_id, false, 0));
+      new AcceleratedSurfaceMsg_BufferPresented(params.route_id,
+                                                params.surface_handle,
+                                                0));
 
   RenderWidgetHostViewPort* view = GetRenderWidgetHostViewFromSurfaceID(
       params.surface_id);
@@ -347,7 +360,9 @@ void GpuProcessHostUIShim::OnAcceleratedSurfacePostSubBuffer(
 
   ScopedSendOnIOThread delayed_send(
       host_id_,
-      new AcceleratedSurfaceMsg_BufferPresented(params.route_id, false, 0));
+      new AcceleratedSurfaceMsg_BufferPresented(params.route_id,
+                                                params.surface_handle,
+                                                0));
 
   RenderWidgetHostViewPort* view =
       GetRenderWidgetHostViewFromSurfaceID(params.surface_id);
@@ -378,7 +393,7 @@ void GpuProcessHostUIShim::OnAcceleratedSurfaceRelease(
       params.surface_id);
   if (!view)
     return;
-  view->AcceleratedSurfaceRelease(params.identifier);
+  view->AcceleratedSurfaceRelease();
 }
 
 void GpuProcessHostUIShim::OnVideoMemoryUsageStatsReceived(