DevTools: split protocol Dispatcher into Backend interface and the dispatcher itself.

third_party/WebKit/Source/platform/v8_inspector/public/V8HeapProfilerAgent.h

 // Copyright 2016 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 V8HeapProfilerAgent_h
 #define V8HeapProfilerAgent_h
 
 #include "platform/PlatformExport.h"
 #include "platform/inspector_protocol/Dispatcher.h"
 #include "platform/v8_inspector/public/V8Debugger.h"
 
 namespace blink {
 
 class V8RuntimeAgent;
 
-class PLATFORM_EXPORT V8HeapProfilerAgent : public protocol::Dispatcher::HeapProfilerCommandHandler, public V8Debugger::Agent<protocol::Frontend::HeapProfiler> {
+class PLATFORM_EXPORT V8HeapProfilerAgent : public protocol::Backend::HeapProfiler, public V8Debugger::Agent<protocol::Frontend::HeapProfiler> {
 public:
     static PassOwnPtr<V8HeapProfilerAgent> create(v8::Isolate*, V8RuntimeAgent*);
     virtual ~V8HeapProfilerAgent() { }
 
     virtual void requestHeapStatsUpdate() = 0;
 };
 
 } // namespace blink
 
 #endif // !defined(V8HeapProfilerAgent_h)