Allow std::unordered_*.

components/favicon_base/favicon_util.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 "components/favicon_base/favicon_util.h"
 
 #include <stddef.h>
 
+#include <algorithm>
 #include <cmath>
 
 #include "build/build_config.h"
 #include "components/favicon_base/favicon_types.h"
 #include "components/favicon_base/select_favicon_frames.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/base/layout.h"
 #include "ui/gfx/codec/png_codec.h"
@@ skipping 219 matching lines @@
             &png_bytes->data())) {
       png_reps.push_back(
           gfx::ImagePNGRep(png_bytes, resized_image_skia_reps[i].scale()));
     }
   }
 
   return gfx::Image(png_reps);
 }
 
 }  // namespace favicon_base