Implement transform/clip support for Android WebView.

cc/layers/tiled_layer_unittest.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/layers/tiled_layer.h"
 
 #include <limits>
 #include <vector>
 
 #include "cc/debug/overdraw_metrics.h"
@@ skipping 117 matching lines @@
       layer_tree_host_->root_layer()->AddChild(layer1);
     if (layer2.get() && !layer2->parent())
       layer_tree_host_->root_layer()->AddChild(layer2);
     if (occlusion_)
       occlusion_->SetRenderTarget(layer_tree_host_->root_layer());
 
     LayerList render_surface_layer_list;
     LayerTreeHostCommon::CalculateDrawProperties(
         layer_tree_host_->root_layer(),
         layer_tree_host_->device_viewport_size(),
+        gfx::Transform(),
         layer_tree_host_->device_scale_factor(),
         1.f,    // page_scale_factor
         NULL,
         layer_tree_host_->GetRendererCapabilities().max_texture_size,
         false,  // can_use_lcd_text
         true,  // can_adjust_raster_scale
         &render_surface_layer_list);
   }
 
   bool UpdateAndPush(const scoped_refptr<FakeTiledLayer>& layer1,
@@ skipping 1697 matching lines @@
   // Invalidate the entire layer in layer space. When painting, the rect given
   // to webkit should match the layer's bounds.
   layer->SetNeedsDisplayRect(layer_rect);
   layer->Update(queue_.get(), 0, NULL);
 
   EXPECT_RECT_EQ(layer_rect, layer->tracking_layer_painter()->PaintedRect());
 }
 
 }  // namespace
 }  // namespace cc