Clean up Debugger::NotifyMessageHandler.

include/v8-debug.h

Index: include/v8-debug.h
diff --git a/include/v8-debug.h b/include/v8-debug.h
index bd3eb77c4d72aca11d7f58b8d3e9720a474fe739..48b96573a10b99aea0af0c4a78ef3f7381611d23 100644
--- a/include/v8-debug.h
+++ b/include/v8-debug.h
@@ -150,11 +150,6 @@ class V8_EXPORT Debug {
   typedef void (*MessageHandler2)(const Message& message);
 
   /**
-   * Debug host dispatch callback function.
-   */
-  typedef void (*HostDispatchHandler)();
-
-  /**
    * Callback function for the host to ensure debug messages are processed.
    */
   typedef void (*DebugMessageDispatchHandler)();
@@ -162,10 +157,6 @@ class V8_EXPORT Debug {
   static bool SetDebugEventListener2(EventCallback2 that,
                                      Handle<Value> data = Handle<Value>());
 
-  // Set a JavaScript debug event listener.
-  static bool SetDebugEventListener(v8::Handle<v8::Object> that,
-                                    Handle<Value> data = Handle<Value>());
-
   // Schedule a debugger break to happen when JavaScript code is run
   // in the given isolate.
   static void DebugBreak(Isolate* isolate);
@@ -193,10 +184,6 @@ class V8_EXPORT Debug {
                           const uint16_t* command, int length,
                           ClientData* client_data = NULL);
 
-  // Dispatch interface.
-  static void SetHostDispatchHandler(HostDispatchHandler handler,
-                                     int period = 100);
-
   /**
    * Register a callback function to be called when a debug message has been
    * received and is ready to be processed. For the debug messages to be