WTF: Implement explicit RefPtr::operator bool.

third_party/WebKit/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 417 matching lines @@
     void setRootGraphicsLayer(GraphicsLayer*);
     PaintLayerCompositor* compositor() const;
     void scheduleAnimation();
     void attachCompositorAnimationTimeline(CompositorAnimationTimeline*);
     void detachCompositorAnimationTimeline(CompositorAnimationTimeline*);
     CompositorAnimationTimeline* linkHighlightsTimeline() const { return m_linkHighlightsTimeline.get(); }
 
     WebViewScheduler* scheduler() const override;
     void setVisibilityState(WebPageVisibilityState, bool) override;
 
-    bool hasOpenedPopup() const { return m_pagePopup; }
+    bool hasOpenedPopup() const { return m_pagePopup.get(); }
 
     // Returns true if the event leads to scrolling.
     static bool mapKeyCodeForScroll(
         int keyCode,
         ScrollDirectionPhysical*,
         ScrollGranularity*);
 
     // Called by a full frame plugin inside this view to inform it that its
     // zoom level has been updated.  The plugin should only call this function
     // if the zoom change was triggered by the browser, it's only needed in case
@@ skipping 306 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