Switch cc to std::unordered_*.

cc/surfaces/surface.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/surfaces/surface.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 148 matching lines @@
     draw_callback_ = DrawCallback();
     callback.Run(drawn);
   }
 }
 
 void Surface::AddDestructionDependency(SurfaceSequence sequence) {
   destruction_dependencies_.push_back(sequence);
 }
 
 void Surface::SatisfyDestructionDependencies(
-    base::hash_set<SurfaceSequence>* sequences,
-    base::hash_set<uint32_t>* valid_id_namespaces) {
+    std::unordered_set<SurfaceSequence, SurfaceSequenceHash>* sequences,
+    std::unordered_set<uint32_t>* valid_id_namespaces) {
   destruction_dependencies_.erase(
       std::remove_if(destruction_dependencies_.begin(),
                      destruction_dependencies_.end(),
                      [sequences, valid_id_namespaces](SurfaceSequence seq) {
                        return (!!sequences->erase(seq) ||
                                !valid_id_namespaces->count(seq.id_namespace));
                      }),
       destruction_dependencies_.end());
 }
 
@@ skipping 29 matching lines @@
   if (current_frame_) {
     for (const auto& render_pass :
          current_frame_->delegated_frame_data->render_pass_list) {
       for (const auto& copy_request : render_pass->copy_requests)
         copy_request->SendEmptyResult();
     }
   }
 }
 
 }  // namespace cc