Rewrite std::string("") to std::string(), Linux edition.

chrome/renderer/extensions/extension_helper.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 "chrome/renderer/extensions/extension_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 295 matching lines @@
       port_id, error_message,
       render_view());
 }
 
 void ExtensionHelper::OnExecuteCode(
     const ExtensionMsg_ExecuteCode_Params& params) {
   WebView* webview = render_view()->GetWebView();
   WebFrame* main_frame = webview->mainFrame();
   if (!main_frame) {
     ListValue val;
-    Send(new ExtensionHostMsg_ExecuteCodeFinished(
-        routing_id(), params.request_id, "No main frame", -1, GURL(""), val));
+    Send(new ExtensionHostMsg_ExecuteCodeFinished(routing_id(),
+                                                  params.request_id,
+                                                  "No main frame",
+                                                  -1,
+                                                  GURL(std::string()),
+                                                  val));
     return;
   }
 
   // chrome.tabs.executeScript() only supports execution in either the top frame
   // or all frames.  We handle both cases in the top frame.
   SchedulerMap::iterator i = g_schedulers.Get().find(main_frame);
   if (i != g_schedulers.Get().end())
     i->second->ExecuteCode(params);
 }
 
@@ skipping 44 matching lines @@
   v8::Handle<v8::Context> script_context =
       render_view()->GetWebView()->mainFrame()->mainWorldScriptContext();
   ChromeV8Context* chrome_v8_context =
       dispatcher_->v8_context_set().GetByV8Context(script_context);
   if (!chrome_v8_context)
     return;
   chrome_v8_context->CallChromeHiddenMethod("OnAppWindowClosed", 0, NULL, NULL);
 }
 
 }  // namespace extensions