Remove references to blink::WebPageOverlay.

third_party/WebKit/public/web/WebView.h

 /*
  * Copyright (C) 2009, 2010, 2011, 2012 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 35 matching lines @@
 
 class WebAXObject;
 class WebAutofillClient;
 class WebCompositedDisplayList;
 class WebCredentialManagerClient;
 class WebDragData;
 class WebFrame;
 class WebHitTestResult;
 class WebLocalFrame;
 class WebPageImportanceSignals;
-class WebPageOverlay;
 class WebPrerendererClient;
 class WebRemoteFrame;
 class WebSettings;
 class WebSpellCheckClient;
 class WebString;
 class WebViewClient;
 class WebViewScheduler;
 struct WebActiveWheelFlingParameters;
 struct WebDeviceEmulationParams;
 struct WebFloatPoint;
@@ skipping 461 matching lines @@
     // completed.
     WebWidget* widget() { return this; }
 
 protected:
     ~WebView() {}
 };
 
 } // namespace blink
 
 #endif