Merge 120881 - Perform hit-test from correct frame in isRectTopmost()

Source/WebKit/chromium/src/WebPluginContainerImpl.cpp

 /*
  * Copyright (C) 2009 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 443 matching lines @@
     if (!m_textureLayer.isNull())
         m_textureLayer.setOpaque(opaque);
 
     if (!m_ioSurfaceLayer.isNull())
         m_ioSurfaceLayer.setOpaque(opaque);
 #endif
 }
 
 bool WebPluginContainerImpl::isRectTopmost(const WebRect& rect)
 {
-    Page* page = m_element->document()->page();
-    if (!page)
+    Frame* frame = m_element->document()->frame();
+    if (!frame)
         return false;
 
     // hitTestResultAtPoint() takes a padding rectangle.
     // FIXME: We'll be off by 1 when the width or height is even.
     IntRect documentRect(x() + rect.x, y() + rect.y, rect.width, rect.height);
     LayoutPoint center = documentRect.center();
     // Make the rect we're checking (the point surrounded by padding rects) contained inside the requested rect. (Note that -1/2 is 0.)
     LayoutSize padding((documentRect.width() - 1) / 2, (documentRect.height() - 1) / 2);
-    HitTestResult result =
-        page->mainFrame()->eventHandler()->hitTestResultAtPoint(center, false, false, DontHitTestScrollbars, HitTestRequest::ReadOnly | HitTestRequest::Active, padding);
+    HitTestResult result = frame->eventHandler()->hitTestResultAtPoint(center, false, false, DontHitTestScrollbars, HitTestRequest::ReadOnly | HitTestRequest::Active, padding);
     const HitTestResult::NodeSet& nodes = result.rectBasedTestResult();
     if (nodes.size() != 1)
         return false;
     return (nodes.first().get() == m_element);
 }
 
 void WebPluginContainerImpl::didReceiveResponse(const ResourceResponse& response)
 {
     // Make sure that the plugin receives window geometry before data, or else
     // plugins misbehave.
@@ skipping 227 matching lines @@
         // Take our element and get the clip rect from the enclosing layer and
         // frame view.
         clipRect.intersect(
             m_element->document()->view()->windowClipRectForFrameOwner(m_element, true));
     }
 
     return clipRect;
 }
 
 } // namespace WebKit