Unreviewed GTK build fix.

* WebCoreSupport/FrameLoaderClientGtk.cpp:
(WebKit::FrameLoaderClient::FrameLoaderClient): Remove an assertion that was not removed in r154658.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154664 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[GTK] Volume slider shows incorrect track when muted
https://bugs.webkit.org/show_bug.cgi?id=120253

Reviewed by Philippe Normand.

When painting the volume bar, consider that it could be muted even
then volume is different than zero.

* platform/gtk/RenderThemeGtk.cpp:
(WebCore::RenderThemeGtk::paintMediaVolumeSliderTrack): Asign
painted volume as 0 when media is muted.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154666 268f45cc-cd09-0410-ab3c-d52691b4dbfc