Implement chrome.downloads.erase()

chrome/browser/extensions/api/downloads/downloads_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_DOWNLOADS_DOWNLOADS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DOWNLOADS_DOWNLOADS_API_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 97 matching lines @@
   DownloadsCancelFunction();
   virtual bool RunImpl() OVERRIDE;
 
  protected:
   virtual ~DownloadsCancelFunction();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DownloadsCancelFunction);
 };
 
-class DownloadsEraseFunction : public AsyncExtensionFunction {
+class DownloadsEraseFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME("downloads.erase");
   DownloadsEraseFunction();
   virtual bool RunImpl() OVERRIDE;
 
  protected:
   virtual ~DownloadsEraseFunction();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DownloadsEraseFunction);
@@ skipping 110 matching lines @@
  private:
   void DispatchEvent(const char* event_name, base::Value* json_arg);
 
   Profile* profile_;
   AllDownloadItemNotifier notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionDownloadsEventRouter);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DOWNLOADS_DOWNLOADS_API_H_