Move DownloadControllerAndroid from content/ to chrome/

android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.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 "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
 
 #include <memory>
 #include <string>
 
 #include "android_webview/browser/aw_contents_io_thread_client.h"
@@ skipping 245 matching lines @@
     }
   }
 }
 
 
 void AwResourceDispatcherHostDelegate::DownloadStarting(
     net::URLRequest* request,
     content::ResourceContext* resource_context,
     int child_id,
     int route_id,
-    int request_id,
     bool is_content_initiated,
     bool must_download,
     ScopedVector<content::ResourceThrottle>* throttles) {
   GURL url(request->url());
   std::string user_agent;
   std::string content_disposition;
   std::string mime_type;
   int64_t content_length = request->GetExpectedContentSize();
 
   request->extra_request_headers().GetHeader(
@@ skipping 162 matching lines @@
       net::HttpRequestHeaders headers;
       headers.AddHeadersFromString(extra_headers);
       for (net::HttpRequestHeaders::Iterator it(headers); it.GetNext(); ) {
         request->SetExtraRequestHeaderByName(it.name(), it.value(), false);
       }
     }
   }
 }
 
 }  // namespace android_webview