cc: Distinguish single texture mask from normal masks

cc/test/fake_picture_layer.cc

 // Copyright 2012 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 "cc/test/fake_picture_layer.h"
 
 #include "cc/test/fake_picture_layer_impl.h"
 
 namespace cc {
 
@@ skipping 13 matching lines @@
       always_update_resources_(false),
       force_unsuitable_for_gpu_rasterization_(false) {
   SetBounds(gfx::Size(1, 1));
   SetIsDrawable(true);
 }
 
 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() {
   bool updated = PictureLayer::Update();
   update_count_++;
   return updated || always_update_resources_;
 }
 
 bool FakePictureLayer::IsSuitableForGpuRasterization() const {
   if (force_unsuitable_for_gpu_rasterization_)
     return false;
   return PictureLayer::IsSuitableForGpuRasterization();
 }
 
 }  // namespace cc