Use shared D3D9 texture to transport the compositor's backing buffer to the browser...

content/browser/renderer_host/render_widget_host_view_gtk.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_gtk.h"
 
 // If this gets included after the gtk headers, then a bunch of compiler
 // errors happen because of a "#define Status int" in Xlib.h, which interacts
 // badly with net::URLRequestStatus::Status.
 #include "content/common/view_messages.h"
@@ skipping 987 matching lines @@
   gtk_widget_show_all(GTK_WIDGET(window));
 }
 
 BackingStore* RenderWidgetHostViewGtk::AllocBackingStore(
     const gfx::Size& size) {
   return new BackingStoreGtk(host_, size,
                              ui::GetVisualFromGtkWidget(view_.get()),
                              gtk_widget_get_visual(view_.get())->depth);
 }
 
+void RenderWidgetHostViewGtk::AcceleratedSurfaceBuffersSwapped(
+    const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
+    int gpu_host_id) {

[jonathan.backer, 2011/11/03 23:09:07]

NOTREACHED()

+}
+
 void RenderWidgetHostViewGtk::SetBackground(const SkBitmap& background) {
   RenderWidgetHostView::SetBackground(background);
   host_->Send(new ViewMsg_SetBackground(host_->routing_id(), background));
 }
 
 void RenderWidgetHostViewGtk::ModifyEventForEdgeDragging(
     GtkWidget* widget, GdkEventMotion* event) {
   // If the widget is aligned with an edge of the monitor its on and the user
   // attempts to drag past that edge we track the number of times it has
   // occurred, so that we can force the widget to scroll when it otherwise
@@ skipping 397 matching lines @@
   }
 }
 
 // static
 void RenderWidgetHostView::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GdkWindow* gdk_window =
       gdk_display_get_default_group(gdk_display_get_default());
   content::GetScreenInfoFromNativeWindow(gdk_window, results);
 }