Reland DownloadItem::Observer::OnDownloadDestroyed() replaces DownloadItem::REMOVING

chrome/browser/automation/automation_provider.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 "chrome/browser/automation/automation_provider.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 285 matching lines @@
   DCHECK(parent);
   return parent->GetIndexOfController(controller);
 }
 
 // TODO(phajdan.jr): move to TestingAutomationProvider.
 DictionaryValue* AutomationProvider::GetDictionaryFromDownloadItem(
     const DownloadItem* download) {
   std::map<DownloadItem::DownloadState, std::string> state_to_string;
   state_to_string[DownloadItem::IN_PROGRESS] = std::string("IN_PROGRESS");
   state_to_string[DownloadItem::CANCELLED] = std::string("CANCELLED");
-  state_to_string[DownloadItem::REMOVING] = std::string("REMOVING");
   state_to_string[DownloadItem::INTERRUPTED] = std::string("INTERRUPTED");
   state_to_string[DownloadItem::COMPLETE] = std::string("COMPLETE");
 
   std::map<DownloadItem::SafetyState, std::string> safety_state_to_string;
   safety_state_to_string[DownloadItem::SAFE] = std::string("SAFE");
   safety_state_to_string[DownloadItem::DANGEROUS] = std::string("DANGEROUS");
   safety_state_to_string[DownloadItem::DANGEROUS_BUT_VALIDATED] =
       std::string("DANGEROUS_BUT_VALIDATED");
 
   DictionaryValue* dl_item_value = new DictionaryValue;
@@ skipping 432 matching lines @@
 
   return NULL;
 }
 
 void AutomationProvider::SaveAsAsync(int tab_handle) {
   NavigationController* tab = NULL;
   WebContents* web_contents = GetWebContentsForHandle(tab_handle, &tab);
   if (web_contents)
     web_contents->OnSavePage();
 }