Remove TextureImageTransportSurface

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index 0d4d03c62753f372b4be9785336c1a6b955044b7..9785c559e6bc2c4469af8ac1b63045aa6e3eb82e 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -1365,22 +1365,6 @@ bool RenderWidgetHostViewMac::GetCachedFirstRectForCharacterRange(
   return true;
 }
 
-void RenderWidgetHostViewMac::AcceleratedSurfaceBuffersSwapped(
-    const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
-    int gpu_host_id) {
-}
-
-void RenderWidgetHostViewMac::AcceleratedSurfacePostSubBuffer(
-    const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
-    int gpu_host_id) {
-}
-
-void RenderWidgetHostViewMac::AcceleratedSurfaceSuspend() {
-}
-
-void RenderWidgetHostViewMac::AcceleratedSurfaceRelease() {
-}
-
 bool RenderWidgetHostViewMac::HasAcceleratedSurface(
       const gfx::Size& desired_size) {
   if (browser_compositor_view_)
@@ -1425,10 +1409,6 @@ void RenderWidgetHostViewMac::OnSwapCompositorFrame(
   }
 }
 
-void RenderWidgetHostViewMac::AcceleratedSurfaceInitialized(int host_id,
-                                                            int route_id) {
-}
-
 void RenderWidgetHostViewMac::GetScreenInfo(blink::WebScreenInfo* results) {
   *results = GetWebScreenInfo(GetNativeView());
 }
@@ -1448,7 +1428,7 @@ gfx::Rect RenderWidgetHostViewMac::GetBoundsInRootWindow() {
 gfx::GLSurfaceHandle RenderWidgetHostViewMac::GetCompositingSurface() {
   // TODO(kbr): may be able to eliminate PluginWindowHandle argument
   // completely on Mac OS.
-  return gfx::GLSurfaceHandle(gfx::kNullPluginWindow, gfx::NATIVE_TRANSPORT);
+  return gfx::GLSurfaceHandle(gfx::kNullPluginWindow, gfx::NULL_TRANSPORT);
 }
 
 bool RenderWidgetHostViewMac::LockMouse() {
@@ -1692,13 +1672,6 @@ void RenderWidgetHostViewMac::OnDisplayMetricsChanged(
 }
 
 - (void)dealloc {
-  // Unbind the GL context from this view. If this is not done before super's
-  // dealloc is called then the GL context will crash when it reaches into
-  // the view in its destructor.
-  // http://crbug.com/255608

[no sievers, 2014/09/30 00:48:01]

Is this comment bug obsolete in the new rendering model, what about the bug?
AcceleratedSurfaceRelease() doesn't do anything now.

[ccameron, 2014/09/30 01:13:01]

Yes, this is obsolete now.

-  if (renderWidgetHostView_)
-    renderWidgetHostView_->AcceleratedSurfaceRelease();
-
   if (responderDelegate_ &&
       [responderDelegate_ respondsToSelector:@selector(viewGone:)])
     [responderDelegate_ viewGone:self];