Notify WebWidget when its compositor surface is ready to use

content/renderer/render_widget.cc

 // Copyright (c) 2012 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/renderer/render_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 168 matching lines @@
 
 // This is used to complete pending inits and non-pending inits. For non-
 // pending cases, the parent will be the same as the current parent. This
 // indicates we do not need to reparent or anything.
 void RenderWidget::CompleteInit(gfx::NativeViewId parent_hwnd) {
   DCHECK(routing_id_ != MSG_ROUTING_NONE);
 
   host_window_ = parent_hwnd;
   host_window_set_ = true;
 
+#if WEBWIDGET_HAS_SETCOMPOSITORSURFACEREADY
+  if (webwidget_)
+      webwidget_->setCompositorSurfaceReady();

[darin (slow to review), 2012/04/19 05:08:33]

nit: indentation

does it make sense to call compositor functions when not in composited mode? 
maybe this is all temporary anyways?

+#endif
   DoDeferredUpdate();
 
   Send(new ViewHostMsg_RenderViewReady(routing_id_));
 }
 
 void RenderWidget::SetSwappedOut(bool is_swapped_out) {
   // We should only toggle between states.
   DCHECK(is_swapped_out_ != is_swapped_out);
   is_swapped_out_ = is_swapped_out;
 
@@ skipping 1489 matching lines @@
   }
 }
 
 bool RenderWidget::WillHandleMouseEvent(const WebKit::WebMouseEvent& event) {
   return false;
 }
 
 bool RenderWidget::WebWidgetHandlesCompositorScheduling() const {
   return false;
 }