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

extensions/renderer/script_injection.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 "extensions/renderer/script_injection.h"
 
 #include <map>
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "base/timer/elapsed_timer.h"
 #include "base/values.h"
 #include "content/public/child/v8_value_converter.h"
 #include "content/public/renderer/render_frame.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/host_id.h"
 #include "extensions/renderer/dom_activity_logger.h"
 #include "extensions/renderer/extension_frame_helper.h"
 #include "extensions/renderer/extension_groups.h"
 #include "extensions/renderer/extensions_renderer_client.h"
@@ skipping 300 matching lines @@
 void ScriptInjection::InjectCss(std::set<std::string>* injected_stylesheets,
                                 size_t* num_injected_stylesheets) {
   std::vector<blink::WebString> css_sources = injector_->GetCssSources(
       run_location_, injected_stylesheets, num_injected_stylesheets);
   blink::WebLocalFrame* web_frame = render_frame_->GetWebFrame();
   for (const blink::WebString& css : css_sources)
     web_frame->document().insertStyleSheet(css);
 }
 
 }  // namespace extensions