Switch to standard integer types in components/, part 3 of 4.

components/power/origin_power_map_unittest.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/power/origin_power_map.h"
 
+#include <stddef.h>
+
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace power {
 
 TEST(OriginPowerMapTest, StartEmpty) {
   OriginPowerMap origin_power_map;
   EXPECT_EQ(size_t(0), origin_power_map.GetPercentOriginMap().size());
 }
 
 TEST(OriginPowerMapTest, AddOneOriginNotInMap) {
@@ skipping 42 matching lines @@
 
 TEST(OriginPowerMapTest, EmptyPercentOriginMapWhenZeroConsumed) {
   OriginPowerMap origin_power_map;
   EXPECT_EQ(size_t(0), origin_power_map.GetPercentOriginMap().size());
   GURL url("http://www.google.com");
   origin_power_map.AddPowerForOrigin(url, 0);
   EXPECT_EQ(size_t(0), origin_power_map.GetPercentOriginMap().size());
 }
 
 }  // namespace power