Use the solid color detection to create solid layers

cc/test/fake_picture_layer.h

Index: cc/test/fake_picture_layer.h
diff --git a/cc/test/fake_picture_layer.h b/cc/test/fake_picture_layer.h
index 99217c2994d2c8fd325732380266c9bec3135d65..1b2ad38f6822f831661c5598a8acc0b491c20612 100644
--- a/cc/test/fake_picture_layer.h
+++ b/cc/test/fake_picture_layer.h
@@ -39,6 +39,9 @@ class FakePictureLayer : public PictureLayer {
   explicit FakePictureLayer(ContentLayerClient* client);
   virtual ~FakePictureLayer();
 
+  virtual void SetSolidColorPropertiesTo(
+      PictureLayerImpl* layer_impl) const OVERRIDE {}
+
   size_t update_count_;
   size_t push_properties_count_;
   bool always_update_resources_;