TabContents -> WebContentsImpl, part 9.

content/browser/download/download_manager_impl.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 "content/browser/download/download_manager_impl.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 1027 matching lines @@
     CHECK(download->IsCancelled())
         << " download = " << download->DebugString(true);
     in_progress_.erase(download_id);
     active_downloads_.erase(download_id);
     delegate_->UpdateItemInPersistentStore(download);
     download->UpdateObservers();
   }
 }
 
 void DownloadManagerImpl::ShowDownloadInBrowser(DownloadItem* download) {
-  // The 'contents' may no longer exist if the user closed the tab before we
-  // get this start completion event.
+  // The 'contents' may no longer exist if the user closed the contents before
+  // we get this start completion event.
   WebContents* content = download->GetWebContents();
 
   // If the contents no longer exists, we ask the embedder to suggest another
-  // tab.
+  // contents.
   if (!content)
     content = delegate_->GetAlternativeWebContentsToNotifyForDownload();
 
   if (content && content->GetDelegate())
     content->GetDelegate()->OnStartDownload(content, download);
 }
 
 int DownloadManagerImpl::InProgressCount() const {
   // Don't use in_progress_.count() because Cancel() leaves items in
   // in_progress_ if they haven't made it into the persistent store yet.
@@ skipping 144 matching lines @@
     if (it->second->IsComplete() && !it->second->GetOpened())
       ++num_unopened;
   }
   download_stats::RecordOpensOutstanding(num_unopened);
 }
 
 void DownloadManagerImpl::SetFileManagerForTesting(
       DownloadFileManager* file_manager) {
   file_manager_ = file_manager;
 }