Delete layout_viewport_size.

cc/trees/layer_tree_host_impl.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 220 matching lines @@
 
   virtual void SetVisible(bool visible);
   bool visible() const { return visible_; }
 
   void SetNeedsCommit() { client_->SetNeedsCommitOnImplThread(); }
 
   size_t memory_allocation_limit_bytes() const {
     return managed_memory_policy_.bytes_limit_when_visible;
   }
 
-  void SetViewportSize(gfx::Size layout_viewport_size,
-                       gfx::Size device_viewport_size);
-  gfx::Size layout_viewport_size() const { return layout_viewport_size_; }
+  void SetViewportSize(gfx::Size device_viewport_size);
   gfx::Size device_viewport_size() const { return device_viewport_size_; }
 
   void SetOverdrawBottomHeight(float overdraw_bottom_height);
   float overdraw_bottom_height() const { return overdraw_bottom_height_; }
 
   void SetDeviceScaleFactor(float device_scale_factor);
   float device_scale_factor() const { return device_scale_factor_; }
 
   scoped_ptr<ScrollAndScaleSet> ProcessScrollDeltas();
 
@@ skipping 169 matching lines @@
 
   // In impl-side painting mode, inert tree with layers that can be recycled
   // by the next sync from the main thread.
   scoped_ptr<LayerTreeImpl> recycle_tree_;
 
   bool did_lock_scrolling_layer_;
   bool should_bubble_scrolls_;
   bool wheel_scrolling_;
   LayerTreeSettings settings_;
   LayerTreeDebugState debug_state_;
-  gfx::Size layout_viewport_size_;
   gfx::Size device_viewport_size_;
   float overdraw_bottom_height_;
   float device_scale_factor_;
   bool visible_;
   ManagedMemoryPolicy managed_memory_policy_;
 
   bool pinch_gesture_active_;
   gfx::Point previous_pinch_anchor_;
 
   // This is set by AnimateLayers() and used by UpdateAnimationState()
@@ skipping 27 matching lines @@
   scoped_ptr<AnimationRegistrar> animation_registrar_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_