Add a download button to the media player

third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h

 /*
  * Copyright (C) 2007 Alexey Proskuryakov <ap@nypop.com>.
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 450 matching lines @@
         break;
     case MediaClosedCaptionsIconPart:
         m_value.valueID = CSSValueInternalMediaClosedCaptionsIcon;
         break;
     case MediaSubtitlesIconPart:
         m_value.valueID = CSSValueInternalMediaSubtitlesIcon;
         break;
     case MediaOverflowMenuButtonPart:
         m_value.valueID = CSSValueInternalOverflowMenuButton;
         break;
+    case MediaDownloadIconPart:
+        m_value.valueID = CSSValueInternalMediaDownloadIcon;
+        break;
     case MenulistPart:
         m_value.valueID = CSSValueMenulist;
         break;
     case MenulistButtonPart:
         m_value.valueID = CSSValueMenulistButton;
         break;
     case MenulistTextPart:
         m_value.valueID = CSSValueMenulistText;
         break;
     case MenulistTextFieldPart:
@@ skipping 4233 matching lines @@
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return ContainsNone;
 }
 
 } // namespace blink
 
 #endif