[DevTools] Pause input events in WebFrameWidgetImpl while debugging.

Source/web/WebViewImpl.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 41 matching lines @@
 #include "web/ChromeClientImpl.h"
 #include "web/ContextMenuClientImpl.h"
 #include "web/DragClientImpl.h"
 #include "web/EditorClientImpl.h"
 #include "web/MediaKeysClientImpl.h"
 #include "web/PageOverlayList.h"
 #include "web/PageScaleConstraintsSet.h"
 #include "web/PageWidgetDelegate.h"
 #include "web/SpellCheckerClientImpl.h"
 #include "web/StorageClientImpl.h"
+#include "wtf/HashSet.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class DataObject;
 class DevToolsEmulator;
 class Frame;
 class FullscreenController;
@@ skipping 14 matching lines @@
 class WebSettingsImpl;
 
 struct WebSelectionBound;
 
 class WebViewImpl final : public WebView
     , public RefCounted<WebViewImpl>
     , public WebGestureCurveTarget
     , public PageWidgetEventHandler {
 public:
     static WebViewImpl* create(WebViewClient*);
+    static HashSet<WebViewImpl*>& allInstances();
 
     // WebWidget methods:
     virtual void close() override;
     virtual WebSize size() override;
     virtual void willStartLiveResize() override;
     virtual void resize(const WebSize&) override;
     virtual void resizePinchViewport(const WebSize&) override;
     virtual void willEndLiveResize() override;
     virtual void didEnterFullScreen() override;
     virtual void didExitFullScreen() override;
@@ skipping 686 matching lines @@
 };
 
 DEFINE_TYPE_CASTS(WebViewImpl, WebWidget, widget, widget->isWebView(), widget.isWebView());
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif