Eliminate ApiResourceEventNotifier.

chrome/browser/extensions/api/api_function.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_API_FUNCTION_H_
 #define CHROME_BROWSER_EXTENSIONS_API_API_FUNCTION_H_
 
 #include "chrome/browser/extensions/extension_function.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace extensions {
 
-class ApiResourceEventNotifier;
-
+// Base class for API functions. TODO(miket): there isn't much here anymore
+// since the removal of ApiResourceEventRouter. Should we promote all its
+// subclasses to UIThreadExtensionFunctions?
 class ApiFunction : public UIThreadExtensionFunction {
  protected:
   ApiFunction();
   virtual ~ApiFunction();
-
-  // Looks for a kSrcId key that might have been added to a create method's
-  // options object.
-  int ExtractSrcId(const DictionaryValue* options);
-
-  // Utility.
-  ApiResourceEventNotifier* CreateEventNotifier(int src_id);
 };
 
 // AsyncApiFunction provides convenient thread management for APIs that need to
 // do essentially all their work on a thread other than the UI thread.
 class AsyncApiFunction : public ApiFunction {
  protected:
   AsyncApiFunction();
   virtual ~AsyncApiFunction();
 
   // Like Prepare(). A useful place to put common work in an ApiFunction
@@ skipping 30 matching lines @@
   void RespondOnUIThread();
 
   // If you don't want your Work() method to happen on the IO thread, then set
   // this to the thread that you do want, preferably in Prepare().
   content::BrowserThread::ID work_thread_id_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_API_FUNCTION_H_