Fix a bug in UserScriptLoader.

extensions/common/user_script.h

 // Copyright 2013 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.
 
 #ifndef EXTENSIONS_COMMON_USER_SCRIPT_H_
 #define EXTENSIONS_COMMON_USER_SCRIPT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 112 matching lines @@
     // Set when the content is loaded by LoadContent
     std::string content_;
   };
 
   typedef std::vector<File> FileList;
 
   // Render's routing info of a <webview> that the user script will be injected
   // on. Only user scripts from <webview>s have a custom routing info.
   struct RoutingInfo {
     RoutingInfo() : render_process_id(-1), render_view_id(-1) {}
+    RoutingInfo(int render_process_id, int render_view_id)
+        : render_process_id(render_process_id),
+          render_view_id(render_view_id) {}
     ~RoutingInfo() {}
 
     int render_process_id;
     int render_view_id;
   };
 
   // Type of a API consumer instance that user scripts will be injected on.
   enum ConsumerInstanceType { TAB, WEBVIEW };
 
   // Constructor. Default the run location to document end, which is like
@@ skipping 193 matching lines @@
 };
 
 // For storing UserScripts with unique IDs in sets.
 bool operator<(const UserScript& script1, const UserScript& script2);
 
 typedef std::vector<UserScript> UserScriptList;
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_USER_SCRIPT_H_