Update inspector classes to use OVERRIDE / FINAL when needed

Source/core/inspector/InspectorDOMDebuggerAgent.h

Index: Source/core/inspector/InspectorDOMDebuggerAgent.h
diff --git a/Source/core/inspector/InspectorDOMDebuggerAgent.h b/Source/core/inspector/InspectorDOMDebuggerAgent.h
index 0c61a991cd8898445cd78f43c41ef42fbe0de3d1..ccdf5f9d9255f43972514673197497cf18f38c7c 100644
--- a/Source/core/inspector/InspectorDOMDebuggerAgent.h
+++ b/Source/core/inspector/InspectorDOMDebuggerAgent.h
@@ -53,7 +53,7 @@ class Node;
 
 typedef String ErrorString;
 
-class InspectorDOMDebuggerAgent : public InspectorBaseAgent<InspectorDOMDebuggerAgent>, public InspectorDebuggerAgent::Listener, public InspectorBackendDispatcher::DOMDebuggerCommandHandler {
+class InspectorDOMDebuggerAgent FINAL : public InspectorBaseAgent<InspectorDOMDebuggerAgent>, public InspectorDebuggerAgent::Listener, public InspectorBackendDispatcher::DOMDebuggerCommandHandler {
     WTF_MAKE_NONCOPYABLE(InspectorDOMDebuggerAgent);
 public:
     static PassOwnPtr<InspectorDOMDebuggerAgent> create(InstrumentingAgents*, InspectorCompositeState*, InspectorDOMAgent*, InspectorDebuggerAgent*);
@@ -61,14 +61,14 @@ public:
     virtual ~InspectorDOMDebuggerAgent();
 
     // DOMDebugger API for InspectorFrontend
-    virtual void setXHRBreakpoint(ErrorString*, const String& url);
-    virtual void removeXHRBreakpoint(ErrorString*, const String& url);
-    virtual void setEventListenerBreakpoint(ErrorString*, const String& eventName);
-    virtual void removeEventListenerBreakpoint(ErrorString*, const String& eventName);
-    virtual void setInstrumentationBreakpoint(ErrorString*, const String& eventName);
-    virtual void removeInstrumentationBreakpoint(ErrorString*, const String& eventName);
-    virtual void setDOMBreakpoint(ErrorString*, int nodeId, const String& type);
-    virtual void removeDOMBreakpoint(ErrorString*, int nodeId, const String& type);
+    virtual void setXHRBreakpoint(ErrorString*, const String& url) OVERRIDE;
+    virtual void removeXHRBreakpoint(ErrorString*, const String& url) OVERRIDE;
+    virtual void setEventListenerBreakpoint(ErrorString*, const String& eventName) OVERRIDE;
+    virtual void removeEventListenerBreakpoint(ErrorString*, const String& eventName) OVERRIDE;
+    virtual void setInstrumentationBreakpoint(ErrorString*, const String& eventName) OVERRIDE;
+    virtual void removeInstrumentationBreakpoint(ErrorString*, const String& eventName) OVERRIDE;
+    virtual void setDOMBreakpoint(ErrorString*, int nodeId, const String& type) OVERRIDE;
+    virtual void removeDOMBreakpoint(ErrorString*, int nodeId, const String& type) OVERRIDE;
 
     // InspectorInstrumentation API
     void willInsertDOMNode(Node* parent);
@@ -92,8 +92,8 @@ public:
 
     void didProcessTask();
 
-    virtual void clearFrontend();
-    virtual void discardAgent();
+    virtual void clearFrontend() OVERRIDE;
+    virtual void discardAgent() OVERRIDE;
 
 private:
     InspectorDOMDebuggerAgent(InstrumentingAgents*, InspectorCompositeState*, InspectorDOMAgent*, InspectorDebuggerAgent*);
@@ -102,10 +102,10 @@ private:
     PassRefPtr<JSONObject> preparePauseOnNativeEventData(bool isDOMEvent, const String& eventName);
 
     // InspectorDebuggerAgent::Listener implementation.
-    virtual void debuggerWasEnabled();
-    virtual void debuggerWasDisabled();
-    virtual void stepInto();
-    virtual void didPause();
+    virtual void debuggerWasEnabled() OVERRIDE;
+    virtual void debuggerWasDisabled() OVERRIDE;
+    virtual void stepInto() OVERRIDE;
+    virtual void didPause() OVERRIDE;
     void disable();
 
     void descriptionForDOMEvent(Node* target, int breakpointType, bool insertion, JSONObject* description);