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/bit_cast.h"
@@ skipping 77 matching lines @@
 #include "ppapi/shared_impl/scoped_pp_resource.h"
 #include "ppapi/shared_impl/scoped_pp_var.h"
 #include "ppapi/shared_impl/time_conversion.h"
 #include "ppapi/shared_impl/url_request_info_data.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_buffer_api.h"
 #include "printing/metafile_skia_wrapper.h"
 #include "printing/pdf_metafile_skia.h"
 #include "skia/ext/platform_canvas.h"
+#include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/platform/WebCursorInfo.h"
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebURLError.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebBindings.h"
 #include "third_party/WebKit/public/web/WebCompositionUnderline.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
@@ skipping 2750 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),
-                                                      components);
+  return ppapi::PPB_URLUtil_Shared::GenerateURLReturn(
+      blink::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;
 
   // For NaCl instances, remember the NaCl plugin instance interface, so we
@@ skipping 412 matching lines @@
 
 void PepperPluginInstanceImpl::RecordFlashJavaScriptUse() {
   if (initialized_ && !javascript_used_ && is_flash_plugin_) {
     javascript_used_ = true;
     RenderThread::Get()->RecordAction(
         base::UserMetricsAction("Flash.JavaScriptUsed"));
   }
 }
 
 }  // namespace content