Clean up SkBitmapOperations.

ui/gfx/shadow_value.cc

 // Copyright (c) 2012 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 "ui/gfx/shadow_value.h"
 
+#include <algorithm>
+
 #include "base/stringprintf.h"
 #include "ui/gfx/insets.h"
 
 namespace gfx {
 
 ShadowValue::ShadowValue()
     : blur_(0),
       color_(0) {
 }
 
@@ skipping 13 matching lines @@
       "(%d,%d),%.2f,rgba(%d,%d,%d,%d)",
       offset_.x(), offset_.y(),
       blur_,
       SkColorGetR(color_),
       SkColorGetG(color_),
       SkColorGetB(color_),
       SkColorGetA(color_));
 }
 
 // static
-Insets ShadowValue::GetMargin(const std::vector<ShadowValue>& shadows) {
+Insets ShadowValue::GetMargin(const ShadowValues& shadows) {
   int left = 0;
   int top = 0;
   int right = 0;
   int bottom = 0;
 
   for (size_t i = 0; i < shadows.size(); ++i) {
     const ShadowValue& shadow = shadows[i];
 
     // Add 0.5 to round up to the next integer.
     int blur = static_cast<int>(shadow.blur() / 2 + 0.5);
 
     left = std::max(left, blur - shadow.x());
     top = std::max(top, blur - shadow.y());
     right = std::max(right, blur + shadow.x());
     bottom = std::max(bottom, blur + shadow.y());
   }
 
   return Insets(-top, -left, -bottom, -right);
 }
 
 }  // namespace gfx