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

chrome/renderer/extensions/user_script_scheduler.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/user_script_scheduler.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
@@ skipping 129 matching lines @@
   const Extension* extension = dispatcher_->extensions()->GetByID(
       params.extension_id);
   content::RenderView* render_view =
       content::RenderView::FromWebView(frame_->view());
   ExtensionHelper* extension_helper = ExtensionHelper::Get(render_view);
   base::ListValue execution_results;
 
   // Since extension info is sent separately from user script info, they can
   // be out of sync. We just ignore this situation.
   if (!extension) {
-    render_view->Send(new ExtensionHostMsg_ExecuteCodeFinished(
-        render_view->GetRoutingID(),
-        params.request_id,
-        "",  // no error
-        -1,
-        GURL(""),
-        execution_results));
+    render_view->Send(
+        new ExtensionHostMsg_ExecuteCodeFinished(render_view->GetRoutingID(),
+                                                 params.request_id,
+                                                 std::string(),  // no error
+                                                 -1,
+                                                 GURL(std::string()),
+                                                 execution_results));
     return;
   }
 
   std::vector<WebFrame*> frame_vector;
   frame_vector.push_back(frame_);
   if (params.all_frames)
     GetAllChildFrames(frame_, &frame_vector);
 
   std::string error;
 
@@ skipping 98 matching lines @@
 
   for (WebFrame* child_frame = parent_frame->firstChild(); child_frame;
        child_frame = child_frame->nextSibling()) {
     frames_vector->push_back(child_frame);
     GetAllChildFrames(child_frame, frames_vector);
   }
   return true;
 }
 
 }  // namespace extensions