Merge 100408

Source/WebCore/platform/gtk/RenderThemeGtk.cpp

 /*
  * Copyright (C) 2007 Apple Inc.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Collabora Ltd.
  * Copyright (C) 2009 Kenneth Rohde Christiansen
  * Copyright (C) 2010 Igalia S.L.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 507 matching lines @@
         return false;
 
     return paintMediaButton(renderObject, paintInfo.context, rect, mediaElement->muted() ? "audio-volume-muted" : "audio-volume-high");
 }
 
 bool RenderThemeGtk::paintMediaPlayButton(RenderObject* renderObject, const PaintInfo& paintInfo, const IntRect& rect)
 {
     Node* node = renderObject->node();
     if (!node)
         return false;
+    if (!node->isMediaControlElement())
+        return false;
 
-    MediaControlPlayButtonElement* button = static_cast<MediaControlPlayButtonElement*>(node);
-    return paintMediaButton(renderObject, paintInfo.context, rect, button->displayType() == MediaPlayButton ? GTK_STOCK_MEDIA_PLAY : GTK_STOCK_MEDIA_PAUSE);
+    return paintMediaButton(renderObject, paintInfo.context, rect, mediaControlElementType(node) == MediaPlayButton ? GTK_STOCK_MEDIA_PLAY : GTK_STOCK_MEDIA_PAUSE);
 }
 
 bool RenderThemeGtk::paintMediaSeekBackButton(RenderObject* renderObject, const PaintInfo& paintInfo, const IntRect& rect)
 {
     return paintMediaButton(renderObject, paintInfo.context, rect, GTK_STOCK_MEDIA_REWIND);
 }
 
 bool RenderThemeGtk::paintMediaSeekForwardButton(RenderObject* renderObject, const PaintInfo& paintInfo, const IntRect& rect)
 {
     return paintMediaButton(renderObject, paintInfo.context, rect, GTK_STOCK_MEDIA_FORWARD);
@@ skipping 170 matching lines @@
         CString systemFilename = fileSystemRepresentation(filenames[0]);
         gchar* systemBasename = g_path_get_basename(systemFilename.data());
         stringByAdoptingFileSystemRepresentation(systemBasename, string);
     } else if (filenames.size() > 1)
         return StringTruncator::rightTruncate(multipleFileUploadText(filenames.size()), width, font, StringTruncator::EnableRoundingHacks);
 
     return StringTruncator::centerTruncate(string, width, font, StringTruncator::EnableRoundingHacks);
 }
 
 }