Clip constrained windows to the tabcontents bounds.

ui/gfx/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/gfx/compositor/layer.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 153 matching lines @@
   GetAnimator()->SetBounds(bounds);
 }
 
 gfx::Rect Layer::GetTargetBounds() const {
   if (animator_.get() && animator_->IsAnimatingProperty(
       LayerAnimationElement::BOUNDS))
     return animator_->GetTargetBounds();
   return bounds_;
 }
 
+void Layer::SetMasksToBounds(bool masks_to_bounds) {
+  web_layer_.setMasksToBounds(masks_to_bounds);
+}
+
+bool Layer::GetMasksToBounds() const {
+  return web_layer_.masksToBounds();
+}
+
 void Layer::SetOpacity(float opacity) {
   GetAnimator()->SetOpacity(opacity);
 }
 
 float Layer::GetTargetOpacity() const {
   if (animator_.get() && animator_->IsAnimatingProperty(
       LayerAnimationElement::OPACITY))
     return animator_->GetTargetOpacity();
   return opacity_;
 }
@@ skipping 342 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