Refactor MutatorHostClient from LayerTreeHost to LayerTree.

third_party/WebKit/Source/platform/testing/WebLayerTreeViewImplForTesting.cpp

 // Copyright 2013 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/testing/WebLayerTreeViewImplForTesting.h"
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_timeline.h"
 #include "cc/blink/web_layer_impl.h"
@@ skipping 59 matching lines @@
     m_layerTreeHost->SetRootLayer(static_cast<const cc_blink::WebLayerImpl*>(&root)->layer());
 }
 
 void WebLayerTreeViewImplForTesting::clearRootLayer()
 {
     m_layerTreeHost->SetRootLayer(scoped_refptr<cc::Layer>());
 }
 
 void WebLayerTreeViewImplForTesting::attachCompositorAnimationTimeline(cc::AnimationTimeline* compositorTimeline)
 {
-    ASSERT(m_layerTreeHost->animation_host());
-    m_layerTreeHost->animation_host()->AddAnimationTimeline(compositorTimeline);
+    DCHECK(m_layerTreeHost->GetLayerTree()->animation_host());
+    m_layerTreeHost->GetLayerTree()->animation_host()->AddAnimationTimeline(compositorTimeline);
 }
 
 void WebLayerTreeViewImplForTesting::detachCompositorAnimationTimeline(cc::AnimationTimeline* compositorTimeline)
 {
-    ASSERT(m_layerTreeHost->animation_host());
-    m_layerTreeHost->animation_host()->RemoveAnimationTimeline(compositorTimeline);
+    DCHECK(m_layerTreeHost->GetLayerTree()->animation_host());
+    m_layerTreeHost->GetLayerTree()->animation_host()->RemoveAnimationTimeline(compositorTimeline);
 }
 
 void WebLayerTreeViewImplForTesting::setViewportSize(const WebSize& unusedDeprecated, const WebSize& deviceViewportSize)
 {
     gfx::Size gfxSize(std::max(0, deviceViewportSize.width), std::max(0, deviceViewportSize.height));
     m_layerTreeHost->SetViewportSize(gfxSize);
 }
 
 void WebLayerTreeViewImplForTesting::setViewportSize(const WebSize& deviceViewportSize)
 {
@@ skipping 130 matching lines @@
 {
     m_layerTreeHost->SetHaveScrollEventHandlers(haveEentHandlers);
 }
 
 bool WebLayerTreeViewImplForTesting::haveScrollEventHandlers() const
 {
     return m_layerTreeHost->have_scroll_event_handlers();
 }
 
 } // namespace blink