Allow WebExternalTextureLayerClient to work with mailboxes.

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 453 matching lines @@
 void Layer::SetExternalTexture(Texture* texture) {
   DCHECK_EQ(type_, LAYER_TEXTURED);
   DCHECK(!solid_color_layer_);
   bool has_texture = !!texture;
   layer_updated_externally_ = has_texture;
   texture_ = texture;
   if (!!texture_layer_ != has_texture) {
     // Switch to a different type of layer.
     if (has_texture) {
       scoped_refptr<cc::TextureLayer> new_layer =
-          cc::TextureLayer::Create(this);
+          cc::TextureLayer::Create(this, false);
       new_layer->SetFlipped(texture_->flipped());
       SwitchToLayer(new_layer);
       texture_layer_ = new_layer;
     } else {
       scoped_refptr<cc::ContentLayer> new_layer =
           cc::ContentLayer::Create(this);
       SwitchToLayer(new_layer);
       content_layer_ = new_layer;
     }
   }
@@ skipping 431 matching lines @@
     texture_layer_->SetUV(uv_top_left, uv_bottom_right);
   } else if (delegated_renderer_layer_.get()) {
     delegated_renderer_layer_->SetDisplaySize(
         ConvertSizeToPixel(this, delegated_frame_size_in_dip_));
     size.ClampToMax(delegated_frame_size_in_dip_);
   }
   cc_layer_->SetBounds(ConvertSizeToPixel(this, size));
 }
 
 }  // namespace ui