Fix resize issues when using threaded compositing

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 6b869cf7435880f4ae15f3078895a403a067943b..52cc60385b60bf16c729cf4b8cdbef847d64bc13 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -968,6 +968,27 @@ void RenderWidget::didDeactivateCompositor() {
     using_asynchronous_swapbuffers_ = false;
 }
 
+void RenderWidget::didCommitAndDrawCompositorFrame()
+{
+}
+
+void RenderWidget::didCompleteSwapbuffers()

[nduca, 2011/11/12 03:22:06]

Should this be conditional on compositor thread mode? Or do we not send this
when the CCSingleThreadProxy is active? We need to eventually call this all the
time, is there any #ifdef we should put in here to anticipate that behavior
change and avoid having to do a triple-commit?

[enne (OOO), 2011/11/12 19:29:19]

This function is robust to being called multiple times.  So, you should be able
to remove the render view pointer and things should Just Work (TM).

+{
+  if (!next_paint_flags_ && !plugin_window_moves_.size())
+    return;
+
+  ViewHostMsg_UpdateRect_Params params;
+  params.view_size = size_;
+  params.resizer_rect = resizer_rect_;
+  params.plugin_window_moves.swap(plugin_window_moves_);
+  params.flags = next_paint_flags_;
+  params.scroll_offset = GetScrollOffset();
+  update_reply_pending_ = true;
+
+  Send(new ViewHostMsg_UpdateRect(routing_id_, params));
+  next_paint_flags_ = 0;
+}
+
 void RenderWidget::scheduleComposite() {
   if (WebWidgetHandlesCompositorScheduling())
     webwidget_->composite(false);