Repaint video controls when buffering during pause.

Source/WebCore/html/shadow/MediaControlRootElementChromium.cpp

Index: Source/WebCore/html/shadow/MediaControlRootElementChromium.cpp
diff --git a/Source/WebCore/html/shadow/MediaControlRootElementChromium.cpp b/Source/WebCore/html/shadow/MediaControlRootElementChromium.cpp
index d1caf9920393931026ded138bd10c77194a2102a..b5534de2e3d6a1b6762ddb2b7edbc9cb80467405 100644
--- a/Source/WebCore/html/shadow/MediaControlRootElementChromium.cpp
+++ b/Source/WebCore/html/shadow/MediaControlRootElementChromium.cpp
@@ -290,6 +290,14 @@ const AtomicString& MediaControlRootElementChromium::shadowPseudoId() const
     return id;
 }
 
+void MediaControlRootElementChromium::bufferingProgressed()
+{
+    // We only need to update buffering progress when paused, during normal
+    // playback playbackProgressed() will take care of it.
+    if (m_mediaElement->paused())
+        m_timeline->setPosition(m_mediaElement->currentTime());
+}
+
 }
 
 #endif