[DevTools] Pause input events in WebFrameWidgetImpl while debugging.

Source/web/WebDevToolsAgentImpl.h

 /*
  * Copyright (C) 2010 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 39 matching lines @@
 class GraphicsLayer;
 class InspectorOverlay;
 class InspectorPageAgent;
 class LocalFrame;
 class Page;
 class PlatformGestureEvent;
 class PlatformKeyboardEvent;
 class PlatformMouseEvent;
 class PlatformTouchEvent;
 class WebDevToolsAgentClient;
+class WebFrameWidgetImpl;
 class WebInputEvent;
 class WebLocalFrameImpl;
 class WebString;
 class WebViewImpl;
 
 class WebDevToolsAgentImpl final
     : public NoBaseWillBeGarbageCollectedFinalized<WebDevToolsAgentImpl>
     , public WebDevToolsAgent
     , public InspectorStateClient
     , public InspectorInputAgent::Client
     , public InspectorTracingAgent::Client
     , public PageRuntimeAgent::Client
     , public InspectorFrontendChannel
     , private WebThread::TaskObserver {
 public:
     WebDevToolsAgentImpl(WebViewImpl*, WebDevToolsAgentClient*, InspectorOverlay*);
     ~WebDevToolsAgentImpl() override;
     void dispose();
     DECLARE_VIRTUAL_TRACE();
 
     void willBeDestroyed();
     WebDevToolsAgentClient* client() { return m_client; }
     bool handleInputEvent(Page*, const WebInputEvent&);
     void flushPendingProtocolNotifications();
     void dispatchMessageFromFrontend(const String& message);
     void registerAgent(PassOwnPtrWillBeRawPtr<InspectorAgent>);
+    static void webViewImplClosed(WebViewImpl*);
+    static void webFrameWidgetImplClosed(WebFrameWidgetImpl*);
 
     // Instrumentation from web/ layer.
     void didCommitLoadForLocalFrame(LocalFrame*);
     void pageScaleFactorChanged();
     bool screencastEnabled();
     void willAddPageOverlay(const GraphicsLayer*);
     void didRemovePageOverlay(const GraphicsLayer*);
 
     // WebDevToolsAgent implementation.
     void attach(const WebString& hostId) override;
@@ skipping 63 matching lines @@
     typedef Vector<RefPtr<JSONObject> > NotificationQueue;
     NotificationQueue m_notificationQueue;
     String m_stateCookie;
 
     friend class DebuggerTask;
 };
 
 } // namespace blink
 
 #endif