PageOverlays: Remove PageOverlayList

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 422 matching lines @@
     virtual void setShowScrollBottleneckRects(bool) = 0;
 
     // Visibility -----------------------------------------------------------
 
     // Sets the visibility of the WebView.
     virtual void setVisibilityState(WebPageVisibilityState visibilityState,
                                     bool isInitialState) { }
 
     // PageOverlay ----------------------------------------------------------
 
-    // Adds/removes page overlay to this WebView. These functions change the
-    // graphical appearance of the WebView. WebPageOverlay paints the
-    // contents of the page overlay. It also provides an z-order number for
-    // the page overlay. The z-order number defines the paint order the page
-    // overlays. Page overlays with larger z-order number will be painted after
-    // page overlays with smaller z-order number. That is, they appear above
-    // the page overlays with smaller z-order number. If two page overlays have
-    // the same z-order number, the later added one will be on top.
-    virtual void addPageOverlay(WebPageOverlay*, int /*z-order*/) = 0;
-
     // Overlay this WebView with a solid color.
     virtual void setPageOverlayColor(WebColor) = 0;
-    virtual void removePageOverlay(WebPageOverlay*) = 0;
 
 
     // i18n -----------------------------------------------------------------
 
     // Inform the WebView that the accept languages have changed.
     // If the WebView wants to get the accept languages value, it will have
     // to call the WebViewClient::acceptLanguages().
     virtual void acceptLanguagesChanged() = 0;
 
     // Testing functionality for TestRunner ---------------------------------
 
     // Force the webgl context to fail so that webglcontextcreationerror
     // event gets generated/tested.
     virtual void forceNextWebGLContextCreationToFail() = 0;
 
     // Force the drawing buffer used by webgl contexts to fail so that the webgl
     // context's ability to deal with that failure gracefully can be tested.
     virtual void forceNextDrawingBufferCreationToFail() = 0;
 
 protected:
     ~WebView() {}
 };
 
 } // namespace blink
 
 #endif