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

cc/layers/picture_layer_impl_unittest.cc

 // 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 "cc/layers/picture_layer_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 1591 matching lines @@
   SetupTrees(pending_raster_source, active_raster_source);
 
   active_layer()->draw_properties().visible_layer_rect = visible_rect;
 
   AppendQuadsData data;
   active_layer()->WillDraw(DRAW_MODE_SOFTWARE, nullptr);
   active_layer()->AppendQuads(render_pass.get(), &data);
   active_layer()->DidDraw(nullptr);
 
   Region remaining = visible_rect;
-  for (const auto& quad : render_pass->quad_list) {
+  for (auto* quad : render_pass->quad_list) {
     EXPECT_TRUE(visible_rect.Contains(quad->rect));
     EXPECT_TRUE(remaining.Contains(quad->rect));
     remaining.Subtract(quad->rect);
   }
 
   EXPECT_TRUE(remaining.IsEmpty());
 }
 
 TEST_F(PictureLayerImplTest, TileScalesWithSolidColorRasterSource) {
   gfx::Size layer_bounds(200, 200);
@@ skipping 3378 matching lines @@
     EXPECT_FLOAT_EQ(expected_contents_scale,
                     pending_layer_ptr->picture_layer_tiling_set()
                         ->FindTilingWithResolution(HIGH_RESOLUTION)
                         ->contents_scale())
         << "ideal_contents_scale: " << ideal_contents_scale;
   }
 }
 
 }  // namespace
 }  // namespace cc