Update all float attributes in HTMLMediaElement and related objects to double

Source/WebCore/html/shadow/MediaControls.cpp

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 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:
  * 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 74 matching lines @@
 void MediaControls::reset()
 {
     Page* page = document()->page();
     if (!page)
         return;
 
     m_playButton->updateDisplayType();
 
     updateCurrentTimeDisplay();
 
-    float duration = m_mediaController->duration();
+    double duration = m_mediaController->duration();
     if (std::isfinite(duration) || page->theme()->hasOwnDisabledStateHandlingFor(MediaSliderPart)) {
         m_timeline->setDuration(duration);
         m_timeline->setPosition(m_mediaController->currentTime());
     }
 
     if (m_mediaController->hasAudio() || page->theme()->hasOwnDisabledStateHandlingFor(MediaMuteButtonPart))
         m_panelMuteButton->show();
     else
         m_panelMuteButton->hide();
 
@@ skipping 101 matching lines @@
     m_playButton->updateDisplayType();
     m_timeline->setPosition(m_mediaController->currentTime());
     updateCurrentTimeDisplay();
     makeOpaque();
 
     stopHideFullscreenControlsTimer();
 }
 
 void MediaControls::updateCurrentTimeDisplay()
 {
-    float now = m_mediaController->currentTime();
+    double now = m_mediaController->currentTime();
 
     Page* page = document()->page();
     if (!page)
         return;
 
     m_currentTimeDisplay->setInnerText(page->theme()->formatMediaControlsTime(now), IGNORE_EXCEPTION);
     m_currentTimeDisplay->setCurrentValue(now);
 }
 
 void MediaControls::showVolumeSlider()
@@ skipping 183 matching lines @@
 {
     if (m_textDisplayContainer)
         m_textDisplayContainer->updateSizes(true);
     closedCaptionTracksChanged();
 }
 #endif
 
 }
 
 #endif