Implement transform/clip support for Android WebView.

cc/trees/layer_tree_host_impl_unittest.cc

Index: cc/trees/layer_tree_host_impl_unittest.cc
diff --git a/cc/trees/layer_tree_host_impl_unittest.cc b/cc/trees/layer_tree_host_impl_unittest.cc
index ab97c8636d71e6b3f1242340001974ba2d750782..95bc4fe37587c7321dab49318a2198069054efb3 100644
--- a/cc/trees/layer_tree_host_impl_unittest.cc
+++ b/cc/trees/layer_tree_host_impl_unittest.cc
@@ -4602,8 +4602,8 @@ class TestRenderer : public GLRenderer, public RendererClient {
   }
 
   // RendererClient implementation.
-  virtual gfx::Size DeviceViewportSize() const OVERRIDE {
-    return viewport_size_;
+  virtual gfx::Rect DeviceViewport() const OVERRIDE {
+    return gfx::Rect(viewport_size_);
   }
   virtual float DeviceScaleFactor() const OVERRIDE {
     return 1.f;