Implement transform/clip support for Android WebView.

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/keyframed_animation_curve.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/debug/traced_value.h"
@@ skipping 264 matching lines @@
   if (!root_layer())
     return;
 
   {
     TRACE_EVENT1("cc",
                  "LayerTreeImpl::UpdateDrawProperties",
                  "IsActive",
                  IsActiveTree());
     LayerTreeHostCommon::CalculateDrawProperties(
         root_layer(),
-        device_viewport_size(),
+        layer_tree_host_impl_->DeviceViewport().size(),
+        layer_tree_host_impl_->DeviceTransform(),
         device_scale_factor(),
         total_page_scale_factor(),
         root_scroll_layer_,
         MaxTextureSize(),
         settings().can_use_lcd_text,
         settings().layer_transforms_should_scale_layer_contents,
         &render_surface_layer_list_);
   }
 
   DCHECK(!needs_update_draw_properties_) <<
@@ skipping 262 matching lines @@
 
 void LayerTreeImpl::ClearLatencyInfo() {
   latency_info_.Clear();
 }
 
 void LayerTreeImpl::WillModifyTilePriorities() {
   layer_tree_host_impl_->tile_manager()->WillModifyTilePriorities();
 }
 
 }  // namespace cc