Blink: Pass 'unobscured' rect to WebPlugins.

public/web/WebPlugin.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2014 Opera Software ASA. 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.
@@ skipping 71 matching lines @@
     virtual bool supportsKeyboardFocus() const { return false; }
     virtual bool supportsEditCommands() const { return false; }
     // Returns true if this plugin supports input method, which implements
     // setComposition() and confirmComposition() below.
     virtual bool supportsInputMethod() const { return false; }
 
     virtual bool canProcessDrag() const { return false; }
 
     virtual void paint(WebCanvas*, const WebRect&) = 0;
 
+    // DEPRECATED. TODO(tommycli): Remove once embedders migrate to the new interface.
+    virtual void updateGeometry(
+        const WebRect& windowRect, const WebRect& clipRect,
+        const WebVector<WebRect>& cutOutsRects, bool isVisible) { }
+
     // Coordinates are relative to the containing window.
     virtual void updateGeometry(
-        const WebRect& frameRect, const WebRect& clipRect,
-        const WebVector<WebRect>& cutOutsRects, bool isVisible) = 0;
+        const WebRect& windowRect, const WebRect& clipRect,
+        const WebRect& unobscuredRect, const WebVector<WebRect>& cutOutsRects,
+        bool isVisible) {
+        // TODO(tommycli): This default implementation calls the old, deprecated interface. This method should be pure virtual after the deprecated interface is removed.
+        updateGeometry(windowRect, clipRect, cutOutsRects, isVisible);
+    }
 
     virtual void updateFocus(bool focused, WebFocusType) = 0;
 
     virtual void updateVisibility(bool) = 0;
 
     virtual bool acceptsInputEvents() = 0;
     virtual bool handleInputEvent(const WebInputEvent&, WebCursorInfo&) = 0;
 
     virtual bool handleDragStatusUpdate(WebDragStatus, const WebDragData&, WebDragOperationsMask, const WebPoint& position, const WebPoint& screenPosition) { return false; }
 
@@ skipping 74 matching lines @@
     virtual bool isPlaceholder() { return true; }
     virtual bool shouldPersist() const { return false; }
 
 protected:
     ~WebPlugin() { }
 };
 
 } // namespace blink
 
 #endif