cc: Remove support for disabling non-root render surfaces.

cc/trees/layer_tree_host_common.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_COMMON_H_
 #define CC_TREES_LAYER_TREE_HOST_COMMON_H_
 
 #include <stddef.h>
 
 #include <limits>
@@ skipping 54 matching lines @@
         const gfx::Size& device_viewport_size,
         const gfx::Transform& device_transform,
         float device_scale_factor,
         float page_scale_factor,
         const LayerImpl* page_scale_layer,
         const LayerImpl* inner_viewport_scroll_layer,
         const LayerImpl* outer_viewport_scroll_layer,
         const gfx::Vector2dF& elastic_overscroll,
         const LayerImpl* elastic_overscroll_application_layer,
         int max_texture_size,
-        bool can_render_to_separate_surface,
         bool can_adjust_raster_scales,
         bool verify_clip_tree_calculations,
         bool verify_visible_rect_calculations,
         LayerImplList* render_surface_layer_list,
         PropertyTrees* property_trees);
 
     LayerImpl* root_layer;
     gfx::Size device_viewport_size;
     gfx::Transform device_transform;
     float device_scale_factor;
     float page_scale_factor;
     const LayerImpl* page_scale_layer;
     const LayerImpl* inner_viewport_scroll_layer;
     const LayerImpl* outer_viewport_scroll_layer;
     gfx::Vector2dF elastic_overscroll;
     const LayerImpl* elastic_overscroll_application_layer;
     int max_texture_size;
-    bool can_render_to_separate_surface;
     bool can_adjust_raster_scales;
     bool verify_clip_tree_calculations;
     bool verify_visible_rect_calculations;
     LayerImplList* render_surface_layer_list;
     PropertyTrees* property_trees;
   };
 
   struct CC_EXPORT CalcDrawPropsImplInputsForTesting
       : public CalcDrawPropsImplInputs {
     CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
@@ skipping 98 matching lines @@
     function(tree_impl->LayerById(id));
   }
 }
 
 CC_EXPORT PropertyTrees* GetPropertyTrees(Layer* layer);
 CC_EXPORT PropertyTrees* GetPropertyTrees(LayerImpl* layer);
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_COMMON_H_