Aura: Resize locks with --ui-enable-threaded-compositing

ui/compositor/layer.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 "ui/compositor/layer.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 429 matching lines @@
   return true;
 }
 
 void Layer::ScheduleDraw() {
   Compositor* compositor = GetCompositor();
   if (compositor)
     compositor->ScheduleDraw();
 }
 
 void Layer::SendDamagedRects() {
+  if (web_layer_->deferUpdates())
+    return;
+
   if ((delegate_ || texture_) && !damaged_region_.isEmpty()) {
     for (SkRegion::Iterator iter(damaged_region_);
          !iter.done(); iter.next()) {
       const SkIRect& sk_damaged = iter.rect();
       gfx::Rect damaged(
           sk_damaged.x(),
           sk_damaged.y(),
           sk_damaged.width(),
           sk_damaged.height());
 
@@ skipping 334 matching lines @@
     return;
   unsigned int color = 0xFF000000;
   color |= web_layer_is_accelerated_ ? 0x0000FF00 : 0x00FF0000;
   bool opaque = fills_bounds_opaquely_ && (GetCombinedOpacity() == 1.f);
   if (!opaque)
     color |= 0xFF;
   web_layer_->setDebugBorderColor(color);
 }
 
 }  // namespace ui