CC Animation: Erase cc::LayerSettings everywhere.

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 6bb9b175d07372643d5a18d3fcc9a639c920f249..4d7f52e12a7739aaa7b0a69c19fbac20d627a5e5 100644
--- a/cc/test/fake_picture_layer.h
+++ b/cc/test/fake_picture_layer.h
@@ -15,17 +15,14 @@
 namespace cc {
 class FakePictureLayer : public PictureLayer {
  public:
-  static scoped_refptr<FakePictureLayer> Create(const LayerSettings& settings,
-                                                ContentLayerClient* client) {
-    return make_scoped_refptr(new FakePictureLayer(settings, client));
+  static scoped_refptr<FakePictureLayer> Create(ContentLayerClient* client) {
+    return make_scoped_refptr(new FakePictureLayer(client));
   }
 
   static scoped_refptr<FakePictureLayer> CreateWithRecordingSource(
-      const LayerSettings& settings,
       ContentLayerClient* client,
       scoped_ptr<DisplayListRecordingSource> source) {
-    return make_scoped_refptr(
-        new FakePictureLayer(settings, client, std::move(source)));
+    return make_scoped_refptr(new FakePictureLayer(client, std::move(source)));
   }
 
   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
@@ -45,9 +42,8 @@ class FakePictureLayer : public PictureLayer {
   void PushPropertiesTo(LayerImpl* layer) override;
 
  private:
-  FakePictureLayer(const LayerSettings& settings, ContentLayerClient* client);
-  FakePictureLayer(const LayerSettings& settings,
-                   ContentLayerClient* client,
+  explicit FakePictureLayer(ContentLayerClient* client);
+  FakePictureLayer(ContentLayerClient* client,
                    scoped_ptr<DisplayListRecordingSource> source);
   ~FakePictureLayer() override;