Pass the filename obtained from content-disposition header for download

content/browser/android/download_controller_android_impl.h

 // 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.
 
 // This class pairs with DownloadController on Java side to forward requests
 // for GET downloads to the current DownloadListener. POST downloads are
 // handled on the native side.
 //
 // Both classes are Singleton classes. C++ object owns Java object.
 //
@@ skipping 47 matching lines @@
     // redirection by the server for |original_url_|.
     GURL url;
     // The original URL before any redirection by the server for this URL.
     GURL original_url;
     int64 total_bytes;
     std::string content_disposition;
     std::string original_mime_type;
     std::string user_agent;
     std::string cookie;
     std::string referer;
+    std::string filename;

[boliu, 2014/02/07 18:11:47]

nothing uses this afaict?

[Jinsuk Kim, 2014/02/08 02:49:28]

Ah right. Saw it wrong. Reverted.

 
     WebContents* web_contents;
     // Default copy constructor is used for passing this struct by value.
   };
   struct JavaObject;
   friend struct DefaultSingletonTraits<DownloadControllerAndroidImpl>;
   DownloadControllerAndroidImpl();
   virtual ~DownloadControllerAndroidImpl();
 
   // DownloadControllerAndroid implementation.
@@ skipping 42 matching lines @@
   JavaObject* GetJavaObject();
 
   JavaObject* java_object_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadControllerAndroidImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_ANDROID_IMPL_H_