Implement transform/clip support for Android WebView.

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 <vector>
 
 #include "base/memory/ref_counted.h"
@@ skipping 11 matching lines @@
 
 class CC_EXPORT LayerTreeHostCommon {
  public:
   static gfx::Rect CalculateVisibleRect(gfx::Rect target_surface_rect,
                                         gfx::Rect layer_bound_rect,
                                         const gfx::Transform& transform);
 
   static void CalculateDrawProperties(
       Layer* root_layer,
       gfx::Size device_viewport_size,
+      const gfx::Transform& device_transform,
       float device_scale_factor,
       float page_scale_factor,
       Layer* page_scale_application_layer,
       int max_texture_size,
       bool can_use_lcd_text,
       bool can_adjust_raster_scales,
       LayerList* render_surface_layer_list);
   static void CalculateDrawProperties(
       LayerImpl* root_layer,
       gfx::Size device_viewport_size,
+      const gfx::Transform& device_transform,
       float device_scale_factor,
       float page_scale_factor,
       LayerImpl* page_scale_application_layer,
       int max_texture_size,
       bool can_use_lcd_text,
       bool can_adjust_raster_scales,
       LayerImplList* render_surface_layer_list);
 
   // Performs hit testing for a given render_surface_layer_list.
   static LayerImpl* FindLayerThatIsHitByPoint(
@@ skipping 99 matching lines @@
 
   for (size_t i = 0; i < root_layer->children().size(); ++i) {
     CallFunctionForSubtree(function,
                            get_child_as_raw_ptr(root_layer->children(), i));
   }
 }
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_COMMON_H_