Delete layout_viewport_size.

cc/trees/layer_tree_impl.cc

 // Copyright 2011 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 "cc/trees/layer_tree_impl.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/keyframed_animation_curve.h"
@@ skipping 502 matching lines @@
 }
 
 float LayerTreeImpl::device_scale_factor() const {
   return layer_tree_host_impl_->device_scale_factor();
 }
 
 gfx::Size LayerTreeImpl::device_viewport_size() const {
   return layer_tree_host_impl_->device_viewport_size();
 }
 
-gfx::Size LayerTreeImpl::layout_viewport_size() const {
-  return layer_tree_host_impl_->layout_viewport_size();
-}
-
 std::string LayerTreeImpl::layer_tree_as_text() const {
   return layer_tree_host_impl_->LayerTreeAsText();
 }
 
 DebugRectHistory* LayerTreeImpl::debug_rect_history() const {
   return layer_tree_host_impl_->debug_rect_history();
 }
 
 AnimationRegistrar* LayerTreeImpl::animationRegistrar() const {
   return layer_tree_host_impl_->animation_registrar();
@@ skipping 123 matching lines @@
   StartFadeOutAnimation(PinchZoomScrollbarHorizontal());
   StartFadeOutAnimation(PinchZoomScrollbarVertical());
 }
 
 bool LayerTreeImpl::HasPinchZoomScrollbars() const {
   return pinch_zoom_scrollbar_horizontal_layer_id_ != Layer::INVALID_ID &&
          pinch_zoom_scrollbar_vertical_layer_id_ != Layer::INVALID_ID;
 }
 
 }  // namespace cc