Switch cc to std::unordered_*.

cc/trees/layer_tree_host_impl_unittest.cc

 // 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 "cc/trees/layer_tree_host_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
-#include "base/containers/hash_tables.h"
-#include "base/containers/scoped_ptr_hash_map.h"
 #include "base/location.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/scrollbar_animation_controller_thinning.h"
 #include "cc/animation/transform_operations.h"
 #include "cc/base/math_util.h"
 #include "cc/input/page_scale_animation.h"
 #include "cc/input/top_controls_manager.h"
 #include "cc/layers/append_quads_data.h"
@@ skipping 9448 matching lines @@
     // There should not be any jitter measured till we hit the fixed point hits
     // threshold.
     float expected_jitter =
         (i == pending_tree->kFixedPointHitsThreshold) ? 500 : 0;
     EXPECT_EQ(jitter, expected_jitter);
   }
 }
 
 }  // namespace
 }  // namespace cc