Remove GraphicsSurfaceGLX.cpp
https://bugs.webkit.org/show_bug.cgi?id=135279

Reviewed by Darin Adler.

GraphicsSurfaceGLX.cpp is not used since Qt dropped and Efl port changed at r146458

* platform/graphics/surfaces/glx/GraphicsSurfaceGLX.cpp: Removed.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@171672 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Remove unused preference keys
https://bugs.webkit.org/show_bug.cgi?id=135280

Reviewed by Darin Adler.

Source/WebKit/mac:
* WebView/WebPreferenceKeysPrivate.h:
* WebView/WebPreferences.mm:
(+[WebPreferences initialize]):
(-[WebPreferences _setPageCacheSize:]): Deleted.
(-[WebPreferences _pageCacheSize]): Deleted.
(-[WebPreferences _setObjectCacheSize:]): Deleted.
(-[WebPreferences _objectCacheSize]): Deleted.
* WebView/WebPreferencesPrivate.h:

Source/WebKit/win:
* WebPreferenceKeysPrivate.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@171673 268f45cc-cd09-0410-ab3c-d52691b4dbfc