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

third_party/WebKit/Source/platform/v8_inspector/public/V8DebuggerAgent.h

 // Copyright 2015 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 V8DebuggerAgent_h
 #define V8DebuggerAgent_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 V8DebuggerAgent : public protocol::Dispatcher::DebuggerCommandHandler, public V8Debugger::Agent<protocol::Frontend::Debugger> {
+class PLATFORM_EXPORT V8DebuggerAgent : public protocol::Backend::Debugger, public V8Debugger::Agent<protocol::Frontend::Debugger> {
 public:
     static const char backtraceObjectGroup[];
 
     static PassOwnPtr<V8DebuggerAgent> create(V8RuntimeAgent*);
     virtual ~V8DebuggerAgent() { }
 
     // API for the embedder to report native activities.
     virtual void schedulePauseOnNextStatement(const String16& breakReason, PassOwnPtr<protocol::DictionaryValue> data) = 0;
     virtual void cancelPauseOnNextStatement() = 0;
     virtual bool canBreakProgram() = 0;
@@ skipping 13 matching lines @@
     virtual void traceAsyncCallbackStarting(int operationId) = 0;
     virtual void traceAsyncCallbackCompleted() = 0;
     virtual void traceAsyncOperationCompleted(int operationId) = 0;
     virtual bool trackingAsyncCalls() const = 0;
 };
 
 } // namespace blink
 
 
 #endif // V8DebuggerAgent_h