[DevTools] Remove last bits of logic from v8 agent wrappers.

third_party/WebKit/Source/core/inspector/InspectorSession.h

Index: third_party/WebKit/Source/core/inspector/InspectorSession.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorSession.h b/third_party/WebKit/Source/core/inspector/InspectorSession.h
index 7ed1763d97372a663df8496a5b796e05d5f611ed..733ae5513a5d6f89b3cc378aff9c293c837b695e 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorSession.h
+++ b/third_party/WebKit/Source/core/inspector/InspectorSession.h
@@ -35,6 +35,9 @@ public:
     class Client {
     public:
         virtual void sendProtocolMessage(int sessionId, int callId, const String& response, const String& state) = 0;
+        virtual void resumeStartup() { }
+        virtual void profilingStarted() { }
+        virtual void profilingStopped() { }
         virtual ~Client() {}
     };
 
@@ -70,6 +73,10 @@ private:
     // V8InspectorSessionClient implementation.
     void startInstrumenting() override;
     void stopInstrumenting() override;
+    void resumeStartup() override;
+    bool canExecuteScripts() override;
+    void profilingStarted() override;
+    void profilingStopped() override;
 
     void forceContextsInAllFrames();
 #if ENABLE(ASSERT)