Media Remoting: Add interstitial elements to media element shadow dom.

third_party/WebKit/Source/modules/accessibility/AXMediaControls.cpp

 /*
  * Copyright (C) 2009 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 66 matching lines @@
     case MediaVolumeSliderThumb:
     case MediaExitFullscreenButton:
     case MediaOverlayPlayButton:
     case MediaCastOffButton:
     case MediaCastOnButton:
     case MediaOverlayCastOffButton:
     case MediaOverlayCastOnButton:
     case MediaOverflowButton:
     case MediaOverflowList:
     case MediaDownloadButton:
+    case MediaRemotingCastIcon:
       return new AccessibilityMediaControl(layoutObject, axObjectCache);
   }
 
   NOTREACHED();
   return new AccessibilityMediaControl(layoutObject, axObjectCache);
 }
 
 MediaControlElementType AccessibilityMediaControl::controlType() const {
   if (!getLayoutObject() || !getLayoutObject()->node())
     return MediaTimelineContainer;  // Timeline container is not accessible.
@@ skipping 46 matching lines @@
     case MediaTrackSelectionCheckmark:
     case MediaControlsPanel:
     case MediaVolumeSliderContainer:
     case MediaVolumeSlider:
     case MediaVolumeSliderThumb:
     case MediaOverflowList:
       return queryString(WebLocalizedString::AXMediaDefault);
     case MediaSlider:
       NOTREACHED();
       return queryString(WebLocalizedString::AXMediaDefault);
+    case MediaRemotingCastIcon:
+      return queryString(WebLocalizedString::AXMediaRemotingCastIcon);
   }
 
   NOTREACHED();
   return queryString(WebLocalizedString::AXMediaDefault);
 }
 
 String AccessibilityMediaControl::description(
     AXNameFrom nameFrom,
     AXDescriptionFrom& descriptionFrom,
     AXObjectVector* descriptionObjects) const {
@@ skipping 36 matching lines @@
     case MediaControlsPanel:
     case MediaVolumeSliderContainer:
     case MediaVolumeSlider:
     case MediaVolumeSliderThumb:
     case MediaOverflowList:
     case MediaDownloadButton:
       return queryString(WebLocalizedString::AXMediaDefault);
     case MediaSlider:
       NOTREACHED();
       return queryString(WebLocalizedString::AXMediaDefault);
+    case MediaRemotingCastIcon:
+      return queryString(WebLocalizedString::AXMediaRemotingCastIconHelp);
   }
 
   NOTREACHED();
   return queryString(WebLocalizedString::AXMediaDefault);
 }
 
 bool AccessibilityMediaControl::computeAccessibilityIsIgnored(
     IgnoredReasons* ignoredReasons) const {
   if (!m_layoutObject || !m_layoutObject->style() ||
       m_layoutObject->style()->visibility() != EVisibility::kVisible ||
@@ skipping 13 matching lines @@
     case MediaPauseButton:
     case MediaShowClosedCaptionsButton:
     case MediaHideClosedCaptionsButton:
     case MediaOverlayPlayButton:
     case MediaOverlayCastOffButton:
     case MediaOverlayCastOnButton:
     case MediaOverflowButton:
     case MediaDownloadButton:
     case MediaCastOnButton:
     case MediaCastOffButton:
+    case MediaRemotingCastIcon:
       return ButtonRole;
 
     case MediaTimelineContainer:
     case MediaVolumeSliderContainer:
     case MediaTextTrackList:
     case MediaOverflowList:
       return GroupRole;
 
     case MediaControlsPanel:
     case MediaCurrentTimeDisplay:
@@ skipping 132 matching lines @@
   if (!m_layoutObject || !m_layoutObject->node())
     return String();
 
   MediaControlTimeDisplayElement* element =
       static_cast<MediaControlTimeDisplayElement*>(m_layoutObject->node());
   float time = element->currentValue();
   return localizedMediaTimeDescription(fabsf(time));
 }
 
 }  // namespace blink