Remove unreferenced media player PNGs.

components/html_viewer/blink_resource_constants.h

Index: components/html_viewer/blink_resource_constants.h
diff --git a/components/html_viewer/blink_resource_constants.h b/components/html_viewer/blink_resource_constants.h
index 2951569f7c9dec6e2a575209afdde483f9c38938..7f69b5ce898b5d530fe6cce0529c5598a0191360 100644
--- a/components/html_viewer/blink_resource_constants.h
+++ b/components/html_viewer/blink_resource_constants.h
@@ -20,56 +20,31 @@ const DataResource kDataResources[] = {
     // Skipping missingImage@2x
     {"mediaplayerPause", IDR_MEDIAPLAYER_PAUSE_BUTTON},
     {"mediaplayerPauseNew", IDR_MEDIAPLAYER_PAUSE_BUTTON_NEW},
-    {"mediaplayerPauseHover", IDR_MEDIAPLAYER_PAUSE_BUTTON_HOVER},
-    {"mediaplayerPauseDown", IDR_MEDIAPLAYER_PAUSE_BUTTON_DOWN},
     {"mediaplayerPlay", IDR_MEDIAPLAYER_PLAY_BUTTON},
     {"mediaplayerPlayNew", IDR_MEDIAPLAYER_PLAY_BUTTON_NEW},
-    {"mediaplayerPlayHover", IDR_MEDIAPLAYER_PLAY_BUTTON_HOVER},
-    {"mediaplayerPlayDown", IDR_MEDIAPLAYER_PLAY_BUTTON_DOWN},
     {"mediaplayerPlayDisabled", IDR_MEDIAPLAYER_PLAY_BUTTON_DISABLED},
     {"mediaplayerSoundLevel3", IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON},
     {"mediaplayerSoundLevel3New", IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON_NEW},
-    {"mediaplayerSoundLevel3Hover", IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON_HOVER},
-    {"mediaplayerSoundLevel3Down", IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON_DOWN},
     {"mediaplayerSoundLevel2", IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON},
-    {"mediaplayerSoundLevel2Hover", IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON_HOVER},
-    {"mediaplayerSoundLevel2Down", IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON_DOWN},
     {"mediaplayerSoundLevel1", IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON},
-    {"mediaplayerSoundLevel1Hover", IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON_HOVER},
-    {"mediaplayerSoundLevel1Down", IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON_DOWN},
     {"mediaplayerSoundLevel0", IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON},
     {"mediaplayerSoundLevel0New", IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON_NEW},
-    {"mediaplayerSoundLevel0Hover", IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON_HOVER},
-    {"mediaplayerSoundLevel0Down", IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON_DOWN},
     {"mediaplayerSoundDisabled", IDR_MEDIAPLAYER_SOUND_DISABLED},
     {"mediaplayerSliderThumb", IDR_MEDIAPLAYER_SLIDER_THUMB},
     {"mediaplayerSliderThumbNew", IDR_MEDIAPLAYER_SLIDER_THUMB_NEW},
-    {"mediaplayerSliderThumbHover", IDR_MEDIAPLAYER_SLIDER_THUMB_HOVER},
-    {"mediaplayerSliderThumbDown", IDR_MEDIAPLAYER_SLIDER_THUMB_DOWN},
     {"mediaplayerVolumeSliderThumb", IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB},
     {"mediaplayerVolumeSliderThumbNew",
         IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_NEW},
-    {"mediaplayerVolumeSliderThumbHover",
-     IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_HOVER},
-    {"mediaplayerVolumeSliderThumbDown",
-     IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_DOWN},
     {"mediaplayerVolumeSliderThumbDisabled",
      IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_DISABLED},
     {"mediaplayerClosedCaption", IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON},
     {"mediaplayerClosedCaptionNew", IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_NEW},
-    {"mediaplayerClosedCaptionHover",
-     IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_HOVER},
-    {"mediaplayerClosedCaptionDown",
-     IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_DOWN},
     {"mediaplayerClosedCaptionDisabled",
      IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_DISABLED},
     {"mediaplayerClosedCaptionDisabledNew",
      IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_DISABLED_NEW},
     {"mediaplayerEnterFullscreen", IDR_MEDIAPLAYER_ENTER_FULLSCREEN_BUTTON},
     {"mediaplayerFullscreen", IDR_MEDIAPLAYER_FULLSCREEN_BUTTON},
-    {"mediaplayerFullscreenHover", IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_HOVER},
-    {"mediaplayerFullscreenDown", IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_DOWN},
-    {"mediaplayerExitEnterFullscreen", IDR_MEDIAPLAYER_EXIT_FULLSCREEN_BUTTON},
     {"mediaplayerCastOff", IDR_MEDIAPLAYER_CAST_BUTTON_OFF},
     {"mediaplayerCastOffNew", IDR_MEDIAPLAYER_CAST_BUTTON_OFF_NEW},
     {"mediaplayerCastOn", IDR_MEDIAPLAYER_CAST_BUTTON_ON},