CC Animations: Make LayerAnimationController creation optional

cc/blink/web_layer_impl_fixed_bounds_unittest.cc

 // Copyright 2014 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 <vector>
 #include "cc/blink/web_layer_impl_fixed_bounds.h"
 #include "cc/layers/picture_image_layer.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/trees/layer_tree_host_common.h"
@@ skipping 70 matching lines @@
   const gfx::Size kDeviceViewportSize(800, 600);
   const float kDeviceScaleFactor = 2.f;
   const float kPageScaleFactor = 1.5f;
 
   WebSize bounds(150, 200);
   WebFloatPoint position(20, 30);
   gfx::Size fixed_bounds(160, 70);
 
   scoped_ptr<WebLayerImplFixedBounds> root_layer(new WebLayerImplFixedBounds());
 
-  WebLayerImplFixedBounds* fixed_bounds_layer =
-      new WebLayerImplFixedBounds(cc::PictureImageLayer::Create());
+  WebLayerImplFixedBounds* fixed_bounds_layer = new WebLayerImplFixedBounds(
+      cc::PictureImageLayer::Create(WebLayerImpl::LayerSettings()));
   fixed_bounds_layer->setBounds(bounds);
   fixed_bounds_layer->SetFixedBounds(fixed_bounds);
   fixed_bounds_layer->setTransform(transform.matrix());
   fixed_bounds_layer->setPosition(position);
   root_layer->addChild(fixed_bounds_layer);
 
   WebLayerImpl* normal_layer(new WebLayerImpl(cc::PictureImageLayer::Create()));
 
   normal_layer->setBounds(bounds);
   normal_layer->setTransform(transform.matrix());
@@ skipping 66 matching lines @@
 
   CompareFixedBoundsLayerAndNormalLayer(WebFloatPoint(0, 0), transform);
 
   // With non-zero anchor point, WebLayerImplFixedBounds will fall back to
   // WebLayerImpl.
   CompareFixedBoundsLayerAndNormalLayer(WebFloatPoint(0.4f, 0.6f), transform);
 }
 
 }  // namespace
 }  // namespace cc_blink