[DevTools] Pause input events in WebFrameWidgetImpl while debugging.

Source/web/WebFrameWidgetImpl.h

 /*
  * Copyright (C) 2014 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 20 matching lines @@
 #ifndef WebFrameWidgetImpl_h
 #define WebFrameWidgetImpl_h
 
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "public/platform/WebPoint.h"
 #include "public/platform/WebSize.h"
 #include "public/web/WebFrameWidget.h"
 #include "public/web/WebInputEvent.h"
 #include "web/PageWidgetDelegate.h"
+#include "wtf/HashSet.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 class Frame;
 class Element;
 class LocalFrame;
 class Page;
 class DeprecatedPaintLayerCompositor;
 class UserGestureToken;
 class WebLayer;
 class WebLayerTreeView;
 class WebLocalFrameImpl;
 class WebMouseEvent;
 class WebMouseWheelEvent;
 class WebViewImpl;
 
 class WebFrameWidgetImpl final : public WebFrameWidget
     , public PageWidgetEventHandler
     , public RefCounted<WebFrameWidgetImpl> {
 public:
     static WebFrameWidgetImpl* create(WebWidgetClient*, WebLocalFrame*);
+    static HashSet<WebFrameWidgetImpl*>& allInstances();
 
     // WebWidget functions:
     void close() override;
     WebSize size() override;
     void willStartLiveResize() override;
     void resize(const WebSize&) override;
     void resizePinchViewport(const WebSize&) override;
     void willEndLiveResize() override;
     void willEnterFullScreen() override;
     void didEnterFullScreen() override;
@@ skipping 61 matching lines @@
     void suppressInvalidations(bool enable);
     void setRootGraphicsLayer(GraphicsLayer*);
 
     void setVisibilityState(WebPageVisibilityState, bool) override;
 
     // Exposed for the purpose of overriding device metrics.
     void sendResizeEventAndRepaint();
 
     void updateMainFrameLayoutSize();
 
+    void setIgnoreInputEvents(bool newValue);
+
     // Returns the page object associated with this widget. This may be null when
     // the page is shutting down, but will be valid at all other times.
     Page* page() const { return m_page; }
 
     // Returns true if the event leads to scrolling.
     static bool mapKeyCodeForScroll(
         int keyCode,
         ScrollDirection*,
         ScrollGranularity*);
 
@@ skipping 54 matching lines @@
     bool m_suppressNextKeypressEvent;
 
     bool m_ignoreInputEvents;
 
     static const WebInputEvent* m_currentInputEvent;
 };
 
 } // namespace blink
 
 #endif