Rename debug API methods.

src/debug.cc

 // Copyright 2012 the V8 project 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 "v8.h"
 
 #include "api.h"
 #include "arguments.h"
 #include "bootstrapper.h"
 #include "code-stubs.h"
@@ skipping 3162 matching lines @@
       data = isolate_->factory()->undefined_value();
     }
     event_listener_data_ = Handle<Object>::cast(
         global_handles->Create(*data));
   }
 
   ListenersChanged();
 }
 
 
-void Debugger::SetMessageHandler(v8::Debug::MessageHandler2 handler) {
+void Debugger::SetMessageHandler(v8::Debug::MessageHandler handler) {
   LockGuard<RecursiveMutex> with(&debugger_access_);
 
   message_handler_ = handler;
   ListenersChanged();
   if (handler == NULL) {
     // Send an empty command to the debugger if in a break to make JavaScript
     // run again if the debugger is closed.
     if (isolate_->debug()->InDebugger()) {
       ProcessCommand(Vector<const uint16_t>::empty());
     }
@@ skipping 537 matching lines @@
       already_signalled_ = false;
     }
     {
       Locker locker(reinterpret_cast<v8::Isolate*>(isolate_));
       isolate_->debugger()->CallMessageDispatchHandler();
     }
   }
 }
 
 } }  // namespace v8::internal