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

content/renderer/browser_plugin/browser_plugin.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/browser_plugin/browser_plugin.h"
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
@@ skipping 92 matching lines @@
       return browser_plugin::kPermissionTypeMedia;
     case BrowserPluginPermissionTypeNewWindow:
       return browser_plugin::kPermissionTypeNewWindow;
     case BrowserPluginPermissionTypePointerLock:
       return browser_plugin::kPermissionTypePointerLock;
     case BrowserPluginPermissionTypeUnknown:
     default:
       NOTREACHED();
       break;
   }
-  return "";
+  return std::string();
 }
 
 typedef std::map<WebKit::WebPluginContainer*,
                  BrowserPlugin*> PluginContainerMap;
 static base::LazyInstance<PluginContainerMap> g_plugin_container_map =
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 BrowserPlugin::BrowserPlugin(
@@ skipping 96 matching lines @@
   if (!container())
     return;
 
   container()->element().removeAttribute(
       WebKit::WebString::fromUTF8(attribute_name));
 }
 
 std::string BrowserPlugin::GetDOMAttributeValue(
     const std::string& attribute_name) const {
   if (!container())
-    return "";
+    return std::string();
 
   return container()->element().getAttribute(
       WebKit::WebString::fromUTF8(attribute_name)).utf8();
 }
 
 bool BrowserPlugin::HasDOMAttribute(const std::string& attribute_name) const {
   if (!container())
     return false;
 
   return container()->element().hasAttribute(
@@ skipping 1295 matching lines @@
     const WebKit::WebMouseEvent& event) {
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_HandleInputEvent(render_view_routing_id_,
                                                 instance_id_,
                                                 plugin_rect_,
                                                 &event));
   return true;
 }
 
 }  // namespace content