cc: Clean up RecordingSource API

cc/test/fake_picture_layer.cc

Index: cc/test/fake_picture_layer.cc
diff --git a/cc/test/fake_picture_layer.cc b/cc/test/fake_picture_layer.cc
index a4e9e8f4466f5b8000fae0dd0c17e95ad8ceba3e..c5dd84a2d97e5fb5767b6d3b36d26f904ac9d0e9 100644
--- a/cc/test/fake_picture_layer.cc
+++ b/cc/test/fake_picture_layer.cc
@@ -22,7 +22,8 @@ FakePictureLayer::FakePictureLayer(ContentLayerClient* client,
     : PictureLayer(client, std::move(source)),
       update_count_(0),
       push_properties_count_(0),
-      always_update_resources_(false) {
+      always_update_resources_(false),
+      force_unsuitable_for_gpu_rasterization_(false) {
   SetBounds(gfx::Size(1, 1));
   SetIsDrawable(true);
 }
@@ -47,4 +48,10 @@ void FakePictureLayer::PushPropertiesTo(LayerImpl* layer) {
   push_properties_count_++;
 }
 
+bool FakePictureLayer::IsSuitableForGpuRasterization() const {
+  if (force_unsuitable_for_gpu_rasterization_)
+    return false;
+  return PictureLayer::IsSuitableForGpuRasterization();
+}
+
 }  // namespace cc