Add wrapper container for a vector of OwnPtr<T>

cc/TreeSynchronizerTest.cpp

 // Copyright 2011 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 "config.h"
 
 #include "TreeSynchronizer.h"
 
 #include "CCAnimationTestCommon.h"
 #include "CCLayerAnimationController.h"
@@ skipping 101 matching lines @@
 
     ASSERT_EQ(!!layer->maskLayer(), !!ccLayer->maskLayer());
     if (layer->maskLayer())
         expectTreesAreIdentical(layer->maskLayer(), ccLayer->maskLayer(), hostImpl);
 
     ASSERT_EQ(!!layer->replicaLayer(), !!ccLayer->replicaLayer());
     if (layer->replicaLayer())
         expectTreesAreIdentical(layer->replicaLayer(), ccLayer->replicaLayer(), hostImpl);
 
     const Vector<RefPtr<LayerChromium> >& layerChildren = layer->children();
-    const Vector<OwnPtr<CCLayerImpl> >& ccLayerChildren = ccLayer->children();
+    const OwnPtrVector<CCLayerImpl>& ccLayerChildren = ccLayer->children();
 
     ASSERT_EQ(layerChildren.size(), ccLayerChildren.size());
 
     for (size_t i = 0; i < layerChildren.size(); ++i)
-        expectTreesAreIdentical(layerChildren[i].get(), ccLayerChildren[i].get(), hostImpl);
+        expectTreesAreIdentical(layerChildren[i].get(), ccLayerChildren[i], hostImpl);
 }
 
 // Attempts to synchronizes a null tree. This should not crash, and should
 // return a null tree.
 TEST(TreeSynchronizerTest, syncNullTree)
 {
     DebugScopedSetImplThread impl;
 
     OwnPtr<CCLayerImpl> ccLayerTreeRoot = TreeSynchronizer::synchronizeTrees(0, nullptr, 0);
 
@@ skipping 258 matching lines @@
 
     EXPECT_FALSE(static_cast<FakeLayerAnimationController*>(layerTreeRoot->layerAnimationController())->synchronizedAnimations());
 
     OwnPtr<CCLayerImpl> ccLayerTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), nullptr, hostImpl.get());
     ccLayerTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), ccLayerTreeRoot.release(), hostImpl.get());
 
     EXPECT_TRUE(static_cast<FakeLayerAnimationController*>(layerTreeRoot->layerAnimationController())->synchronizedAnimations());
 }
 
 } // namespace