Update all float attributes in HTMLMediaElement and related objects to double

Source/WebCore/html/shadow/MediaControlsChromium.cpp

Index: Source/WebCore/html/shadow/MediaControlsChromium.cpp
diff --git a/Source/WebCore/html/shadow/MediaControlsChromium.cpp b/Source/WebCore/html/shadow/MediaControlsChromium.cpp
index 85857e873d22880908f9cc02c90b5cd447e69d79..b8ba9be828f5730d7686f323949ab3290306d955 100644
--- a/Source/WebCore/html/shadow/MediaControlsChromium.cpp
+++ b/Source/WebCore/html/shadow/MediaControlsChromium.cpp
@@ -156,7 +156,7 @@ void MediaControlsChromium::reset()
     if (!page)
         return;
 
-    float duration = m_mediaController->duration();
+    double duration = m_mediaController->duration();
     m_durationDisplay->setInnerText(page->theme()->formatMediaControlsTime(duration), ASSERT_NO_EXCEPTION);
     m_durationDisplay->setCurrentValue(duration);
 
@@ -173,8 +173,8 @@ void MediaControlsChromium::playbackStarted()
 
 void MediaControlsChromium::updateCurrentTimeDisplay()
 {
-    float now = m_mediaController->currentTime();
-    float duration = m_mediaController->duration();
+    double now = m_mediaController->currentTime();
+    double duration = m_mediaController->duration();
 
     Page* page = document()->page();
     if (!page)