[inspector] Prepare some methods in V8InspectorImpl to multiple sessions

src/inspector/injected-script.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 92 matching lines @@
    public:
     Response initialize();
     void installCommandLineAPI();
     void ignoreExceptionsAndMuteConsole();
     void pretendUserGesture();
     v8::Local<v8::Context> context() const { return m_context; }
     InjectedScript* injectedScript() const { return m_injectedScript; }
     const v8::TryCatch& tryCatch() const { return m_tryCatch; }
 
    protected:
-    Scope(V8InspectorImpl*, int contextGroupId);
+    explicit Scope(V8InspectorSessionImpl*);
     virtual ~Scope();
     virtual Response findInjectedScript(V8InspectorSessionImpl*) = 0;
 
     V8InspectorImpl* m_inspector;
-    int m_contextGroupId;
     InjectedScript* m_injectedScript;
 
    private:
     void cleanup();
     v8::debug::ExceptionBreakState setPauseOnExceptionsState(
         v8::debug::ExceptionBreakState);
 
     v8::HandleScope m_handleScope;
     v8::TryCatch m_tryCatch;
     v8::Local<v8::Context> m_context;
     std::unique_ptr<V8Console::CommandLineAPIScope> m_commandLineAPIScope;
     bool m_ignoreExceptionsAndMuteConsole;
     v8::debug::ExceptionBreakState m_previousPauseOnExceptionsState;
     bool m_userGesture;
+    int m_contextGroupId;
+    int m_sessionId;
   };
 
   class ContextScope : public Scope {
    public:
-    ContextScope(V8InspectorImpl*, int contextGroupId, int executionContextId);
+    ContextScope(V8InspectorSessionImpl*, int executionContextId);
     ~ContextScope();
 
    private:
     Response findInjectedScript(V8InspectorSessionImpl*) override;
     int m_executionContextId;
 
     DISALLOW_COPY_AND_ASSIGN(ContextScope);
   };
 
   class ObjectScope : public Scope {
    public:
-    ObjectScope(V8InspectorImpl*, int contextGroupId,
-                const String16& remoteObjectId);
+    ObjectScope(V8InspectorSessionImpl*, const String16& remoteObjectId);
     ~ObjectScope();
     const String16& objectGroupName() const { return m_objectGroupName; }
     v8::Local<v8::Value> object() const { return m_object; }
 
    private:
     Response findInjectedScript(V8InspectorSessionImpl*) override;
     String16 m_remoteObjectId;
     String16 m_objectGroupName;
     v8::Local<v8::Value> m_object;
 
     DISALLOW_COPY_AND_ASSIGN(ObjectScope);
   };
 
   class CallFrameScope : public Scope {
    public:
-    CallFrameScope(V8InspectorImpl*, int contextGroupId,
-                   const String16& remoteCallFrameId);
+    CallFrameScope(V8InspectorSessionImpl*, const String16& remoteCallFrameId);
     ~CallFrameScope();
     size_t frameOrdinal() const { return m_frameOrdinal; }
 
    private:
     Response findInjectedScript(V8InspectorSessionImpl*) override;
     String16 m_remoteCallFrameId;
     size_t m_frameOrdinal;
 
     DISALLOW_COPY_AND_ASSIGN(CallFrameScope);
   };
@@ skipping 12 matching lines @@
   v8::Global<v8::Value> m_lastEvaluationResult;
   std::unique_ptr<InjectedScriptNative> m_native;
   v8::Global<v8::Object> m_commandLineAPI;
 
   DISALLOW_COPY_AND_ASSIGN(InjectedScript);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_INJECTEDSCRIPT_H_