Migrate more files to histogram_macros.h from histogram.h.

chrome/renderer/safe_browsing/features.cc

 // Copyright (c) 2010 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 "chrome/renderer/safe_browsing/features.h"
 
 #include "base/logging.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
 
 namespace safe_browsing {
 
 const size_t FeatureMap::kMaxFeatureMapSize = 10000;
 
 FeatureMap::FeatureMap() {}
 FeatureMap::~FeatureMap() {}
 
 bool FeatureMap::AddBooleanFeature(const std::string& name) {
   return AddRealFeature(name, 1.0);
@@ skipping 60 matching lines @@
 const char kPageNumScriptTagsGTSix[] = "PageNumScriptTags>6";
 
 // Other DOM HTML features
 const char kPageImgOtherDomainFreq[] = "PageImgOtherDomainFreq";
 
 // Page term features
 const char kPageTerm[] = "PageTerm=";
 
 }  // namespace features
 }  // namespace safe_browsing