Remove DebuggerAgent.

src/d8.h

 // 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.
 
 #ifndef V8_D8_H_
 #define V8_D8_H_
 
 #ifndef V8_SHARED
 #include "allocation.h"
 #include "hashmap.h"
@@ skipping 247 matching lines @@
                                int min,
                                int max,
                                size_t buckets);
   static void AddHistogramSample(void* histogram, int sample);
   static void MapCounters(const char* name);
 
   static Local<Object> DebugMessageDetails(Isolate* isolate,
                                            Handle<String> message);
   static Local<Value> DebugCommandToJSONRequest(Isolate* isolate,
                                                 Handle<String> command);
-  static void DispatchDebugMessages();
 
   static void PerformanceNow(const v8::FunctionCallbackInfo<v8::Value>& args);
 #endif  // !V8_SHARED
 
   static void RealmCurrent(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmOwner(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmGlobal(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmCreate(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmDispose(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmSwitch(const v8::FunctionCallbackInfo<v8::Value>& args);
@@ skipping 111 matching lines @@
   static void ExternalArrayWeakCallback(Isolate* isolate,
                                         Persistent<Object>* object,
                                         uint8_t* data);
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_