Move initialization of ChromeURLRequestContexts to the IO thread.

chrome/browser/download/download_file.h

 // Copyright (c) 2006-2008 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.
 //
 // Objects that handle file operations for downloads, on the download thread.
 //
 // The DownloadFileManager owns a set of DownloadFile objects, each of which
 // represent one in progress download and performs the disk IO for that
 // download. The DownloadFileManager itself is a singleton object owned by the
 // ResourceDispatcherHost.
@@ skipping 24 matching lines @@
 // ID (unique integer created in the IO thread) to the DownloadManager for the
 // tab (profile) where the download was initiated. In the event of a tab closure
 // during a download, the DownloadFileManager will continue to route data to the
 // appropriate DownloadManager. In progress downloads are cancelled for a
 // DownloadManager that exits (such as when closing a profile).
 
 #ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_
 
 #include <map>
+#include <string>
 #include <vector>
 
 #include "app/gfx/native_widget_types.h"
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/hash_tables.h"
 #include "base/lock.h"
 #include "base/ref_counted.h"
 #include "base/timer.h"
 #include "googleurl/src/gurl.h"
 
 namespace net {
 class IOBuffer;
 }
 struct DownloadCreateInfo;
 class DownloadManager;
 class MessageLoop;
 class ResourceDispatcherHost;
-class URLRequestContext;
+class URLRequestContextGetter;
 
 // DownloadBuffer --------------------------------------------------------------
 
 // This container is created and populated on the io_thread, and passed to the
 // file_thread for writing. In order to avoid flooding the file_thread with too
 // many small write messages, each write is appended to the DownloadBuffer while
 // waiting for the task to run on the file_thread. Access to the write buffers
 // is synchronized via the lock. Each entry in 'contents' represents one data
 // buffer and its size in bytes.
 
@@ skipping 108 matching lines @@
 
   // Handlers for notifications sent from the download thread and run on
   // the UI thread.
   void OnStartDownload(DownloadCreateInfo* info);
   void OnDownloadFinished(int id, int64 bytes_so_far);
 
   // Download the URL. Called on the UI thread and forwarded to the
   // ResourceDispatcherHost on the IO thread.
   void DownloadUrl(const GURL& url,
                    const GURL& referrer,
+                   const std::string& referrer_charset,
                    int render_process_host_id,
                    int render_view_id,
-                   URLRequestContext* request_context);
+                   URLRequestContextGetter* request_context_getter);
 
   // Run on the IO thread to initiate the download of a URL.
   void OnDownloadUrl(const GURL& url,
                      const GURL& referrer,
+                     const std::string& referrer_charset,
                      int render_process_host_id,
                      int render_view_id,
-                     URLRequestContext* request_context);
+                     URLRequestContextGetter* request_context_getter);
 
   // Called on the UI thread to remove a download item or manager.
   void RemoveDownloadManager(DownloadManager* manager);
   void RemoveDownload(int id, DownloadManager* manager);
 
 #if !defined(OS_MACOSX)
   // The open and show methods run on the file thread, which does not work on
   // Mac OS X (which uses the UI thread for opens).
 
   // Handler for shell operations sent from the UI to the download thread.
@@ skipping 72 matching lines @@
   // Used for progress updates on the UI thread, mapping download->id() to bytes
   // received so far. Written to by the file thread and read by the UI thread.
   typedef base::hash_map<int, int64> ProgressMap;
   ProgressMap ui_progress_;
   Lock progress_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadFileManager);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_