Add wrapper container for a vector of OwnPtr<T>

cc/CCLayerTreeHostTest.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 "CCLayerTreeHost.h"
 
 #include "CCGeometryTestUtils.h"
 #include "CCGraphicsContext.h"
@@ skipping 1297 matching lines @@
         EXPECT_NEAR(impl->deviceScaleFactor(), 1.5, 0.00001);
 
         // Both layers are on impl.
         ASSERT_EQ(1u, impl->rootLayer()->children().size());
 
         // Device viewport is scaled.
         EXPECT_EQ(IntSize(40, 40), impl->layoutViewportSize());
         EXPECT_EQ(IntSize(60, 60), impl->deviceViewportSize());
 
         CCLayerImpl* root = impl->rootLayer();
-        CCLayerImpl* child = impl->rootLayer()->children()[0].get();
+        CCLayerImpl* child = impl->rootLayer()->children()[0];
 
         // Positions remain in layout pixels.
         EXPECT_EQ(IntPoint(0, 0), root->position());
         EXPECT_EQ(IntPoint(2, 2), child->position());
 
         // Compute all the layer transforms for the frame.
         MockLayerTreeHostImpl::CCLayerList renderSurfaceLayerList;
         mockImpl->calculateRenderSurfaceLayerList(renderSurfaceLayerList);
 
         // Both layers should be drawing into the root render surface.
@@ skipping 1659 matching lines @@
     int m_numCommitComplete;
     int m_numDrawLayers;
 };
 
 TEST_F(CCLayerTreeHostTestContinuousAnimate, runMultiThread)
 {
     runTest(true);
 }
 
 } // namespace