[compositorworker] compositor proxy mutation updates underlying layers

third_party/WebKit/Source/platform/graphics/CompositorMutableStateTest.cpp

 // Copyright 2016 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 "platform/graphics/CompositorMutableState.h"
 
 #include "base/message_loop/message_loop.h"
 #include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/fake_output_surface.h"
@@ skipping 62 matching lines @@
     // properties. We should not be able to get any mutable state.
     std::unique_ptr<LayerImpl> root = LayerImpl::Create(hostImpl().active_tree(), 42);
     SetLayerPropertiesForTesting(root.get());
 
     hostImpl().SetViewportSize(root->bounds());
     hostImpl().active_tree()->SetRootLayer(std::move(root));
     hostImpl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
 
     CompositorMutations mutations;
     CompositorMutableStateProvider provider(hostImpl().active_tree(), &mutations);
-    OwnPtr<CompositorMutableState> state(provider.getMutableStateFor(42));
+    std::unique_ptr<CompositorMutableState> state(provider.getMutableStateFor(42));
     EXPECT_FALSE(state);
 }
 
 TEST_F(CompositorMutableStateTest, MutableStateMutableProperties)
 {
     // In this test, there is a layer with an element id and mutable properties.
     // In this case, we should get a valid mutable state for this element id that
     // has a real effect on the corresponding layer.
     std::unique_ptr<LayerImpl> root = LayerImpl::Create(hostImpl().active_tree(), 42);
 
@@ skipping 13 matching lines @@
     root->SetMutableProperties(CompositorMutableProperty::kOpacity | CompositorMutableProperty::kTransform);
     layer->SetMutableProperties(CompositorMutableProperty::kScrollLeft | CompositorMutableProperty::kScrollTop);
 
     hostImpl().SetViewportSize(layer->bounds());
     hostImpl().active_tree()->SetRootLayer(std::move(root));
     hostImpl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
 
     CompositorMutations mutations;
     CompositorMutableStateProvider provider(hostImpl().active_tree(), &mutations);
 
-    OwnPtr<CompositorMutableState> state(provider.getMutableStateFor(primaryId));
+    std::unique_ptr<CompositorMutableState> state(provider.getMutableStateFor(primaryId));
     EXPECT_TRUE(state.get());
 
     EXPECT_EQ(1.0, rootLayer()->Opacity());
     EXPECT_EQ(gfx::Transform().ToString(), rootLayer()->transform().ToString());
     EXPECT_EQ(0.0, layer->CurrentScrollOffset().x());
     EXPECT_EQ(0.0, layer->CurrentScrollOffset().y());
 
     gfx::Transform zero(0, 0, 0, 0, 0, 0);
     state->setOpacity(0.5);
     state->setTransform(zero.matrix());
@@ skipping 14 matching lines @@
     EXPECT_TRUE(mutation.isScrollLeftMutated());
     EXPECT_TRUE(mutation.isScrollTopMutated());
 
     EXPECT_EQ(0.5, mutation.opacity());
     EXPECT_EQ(zero.ToString(), gfx::Transform(mutation.transform()).ToString());
     EXPECT_EQ(1.0, mutation.scrollLeft());
     EXPECT_EQ(1.0, mutation.scrollTop());
 }
 
 } // namespace blink