cc: Distinguish single texture mask from normal masks

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 187350f4b680dfbba7bad69679dbe0f530e27b3a..c8a8add6056fe4585fae1e4aa5f670ccea516c79 100644
--- a/cc/test/fake_picture_layer.cc
+++ b/cc/test/fake_picture_layer.cc
@@ -31,9 +31,18 @@ FakePictureLayer::~FakePictureLayer() {}
 
 std::unique_ptr<LayerImpl> FakePictureLayer::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
-  if (is_mask())
-    return FakePictureLayerImpl::CreateMask(tree_impl, id());
-  return FakePictureLayerImpl::Create(tree_impl, id());
+  switch (mask_type()) {
+    case Layer::LayerMaskType::NOT_MASK:
+      return FakePictureLayerImpl::Create(tree_impl, id());
+    case Layer::LayerMaskType::MULTI_TEXTURE_MASK:
+      return FakePictureLayerImpl::CreateMask(tree_impl, id());
+    case Layer::LayerMaskType::SINGLE_TEXTURE_MASK:
+      return FakePictureLayerImpl::CreateSingleTextureMask(tree_impl, id());
+    default:
+      NOTREACHED();
+      break;
+  }
+  return nullptr;
 }
 
 bool FakePictureLayer::Update() {