[DevTools] Split a part of V8Inspector into V8Debugger.

third_party/WebKit/Source/platform/v8_inspector/public/V8Inspector.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 V8Inspector_h
 #define V8Inspector_h
 
 #include "platform/inspector_protocol/Platform.h"
 #include "platform/inspector_protocol/String16.h"
+#include "platform/v8_inspector/public/V8ContextInfo.h"
 
 #include <v8.h>
 
 namespace blink {
 
-class V8ContextInfo;
 class V8InspectorClient;
 class V8InspectorSession;
 class V8InspectorSessionClient;
 class V8StackTrace;
 
 namespace protocol {
 class FrontendChannel;
 }
 
 class PLATFORM_EXPORT V8Inspector {
@@ skipping 26 matching lines @@
     // API methods.
     virtual std::unique_ptr<V8InspectorSession> connect(int contextGroupId, protocol::FrontendChannel*, V8InspectorSessionClient*, const String16* state) = 0;
     virtual std::unique_ptr<V8StackTrace> createStackTrace(v8::Local<v8::StackTrace>) = 0;
     virtual std::unique_ptr<V8StackTrace> captureStackTrace(bool fullStack) = 0;
 };
 
 } // namespace blink
 
 
 #endif // V8Inspector_h