Reduce string copies in GURL creation

content/renderer/pepper/pepper_plugin_instance_impl.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 "content/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_offset_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/layers/texture_layer.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/frame_messages.h"
+#include "content/public/child/url_conversion.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/pepper/content_decryptor_delegate.h"
 #include "content/renderer/pepper/event_conversion.h"
 #include "content/renderer/pepper/fullscreen_container.h"
 #include "content/renderer/pepper/gfx_conversion.h"
 #include "content/renderer/pepper/host_dispatcher_wrapper.h"
 #include "content/renderer/pepper/host_globals.h"
 #include "content/renderer/pepper/message_channel.h"
 #include "content/renderer/pepper/pepper_browser_connection.h"
@@ skipping 2818 matching lines @@
   if (!full_frame_)
     return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(document.url(),
                                                         components);
   WebLocalFrame* frame = document.frame();
   if (!frame)
     return PP_MakeUndefined();
   const WebURLRequest& request = frame->dataSource()->originalRequest();
   WebString referer = request.httpHeaderField("Referer");
   if (referer.isEmpty())
     return PP_MakeUndefined();
-  return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(GURL(referer),
+  return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(WebStringToGURL(referer),
                                                       components);
 }
 
 PP_ExternalPluginResult PepperPluginInstanceImpl::ResetAsProxied(
     scoped_refptr<PluginModule> module) {
   // Save the original module and switch over to the new one now that this
   // plugin is using the IPC-based proxy.
   original_module_ = module_;
   module_ = module;
 
@@ skipping 413 matching lines @@
 
 void PepperPluginInstanceImpl::RecordFlashJavaScriptUse() {
   if (initialized_ && !javascript_used_ && is_flash_plugin_) {
     javascript_used_ = true;
     RenderThread::Get()->RecordAction(
         base::UserMetricsAction("Flash.JavaScriptUsed"));
   }
 }
 
 }  // namespace content