Move download stuff to download tab helper.

chrome/browser/download/download_process_handle.cc

 // Copyright (c) 2011 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 "chrome/browser/download/download_process_handle.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/tab_contents/tab_contents.h"
 
 DownloadProcessHandle::DownloadProcessHandle()
     : child_id_(-1), render_view_id_(-1), request_id_(-1) {
 }
 
 DownloadProcessHandle::DownloadProcessHandle(int child_id,
                                              int render_view_id,
                                              int request_id)
     : child_id_(child_id),
       render_view_id_(render_view_id),
       request_id_(request_id) {
 }
 
 TabContents* DownloadProcessHandle::GetTabContents() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   return tab_util::GetTabContentsByID(child_id_, render_view_id_);
 }
 
+TabContentsWrapper* DownloadProcessHandle::GetTabContentsWrapper() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  return tab_util::GetTabContentsWrapperByID(child_id_, render_view_id_);
+}
+
 DownloadManager* DownloadProcessHandle::GetDownloadManager() {
   TabContents* contents = GetTabContents();
   if (!contents)
     return NULL;
 
   Profile* profile = contents->profile();
   if (!profile)
     return NULL;
 
   return profile->GetDownloadManager();
 }