cc: Fixup cc to not use auto to deduce a raw pointer.

cc/layers/video_layer_impl_unittest.cc

 // Copyright 2014 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/layers/video_layer_impl.h"
 
 #include <stddef.h>
 
 #include "cc/layers/video_frame_provider_client_impl.h"
 #include "cc/output/context_provider.h"
@@ skipping 73 matching lines @@
   }
 }
 
 TEST(VideoLayerImplTest, OccludesOtherLayers) {
   gfx::Size layer_size(1000, 1000);
   gfx::Rect visible(layer_size);
 
   LayerTestCommon::LayerImplTest impl;
   impl.host_impl()->SetViewportSize(layer_size);
   DebugSetImplThreadAndMainThreadBlocked(impl.task_runner_provider());
-  auto active_tree = impl.host_impl()->active_tree();
+  auto* active_tree = impl.host_impl()->active_tree();
 
   // Create a video layer with no frame on top of another layer.
   std::unique_ptr<LayerImpl> layer_impl = LayerImpl::Create(active_tree, 3);
   layer_impl->test_properties()->force_render_surface = true;
   layer_impl->SetBounds(layer_size);
   layer_impl->SetDrawsContent(true);
   const auto& draw_properties = layer_impl->draw_properties();
 
   FakeVideoFrameProvider provider;
   std::unique_ptr<VideoLayerImpl> video_layer_impl = VideoLayerImpl::Create(
@@ skipping 263 matching lines @@
   const YUVVideoDrawQuad* yuv_draw_quad =
       static_cast<const YUVVideoDrawQuad*>(draw_quad);
   EXPECT_EQ(yuv_draw_quad->uv_tex_size.height(),
             (yuv_draw_quad->ya_tex_size.height() + 1) / 2);
   EXPECT_EQ(yuv_draw_quad->uv_tex_size.width(),
             (yuv_draw_quad->ya_tex_size.width() + 1) / 2);
 }
 
 }  // namespace
 }  // namespace cc