Bug 718359 - remove useless SANITY_CHECKING_FEATURE and XCB_SURFACE_FEATURE. r=khuey

configure.in

@@ -8282,12 +8282,6 @@ if test "$MOZ_TREE_CAIRO"; then
     AC_SUBST(MOZ_ENABLE_D3D10_LAYER)
     AC_SUBST(CAIRO_FT_CFLAGS)
 
-    if test "$MOZ_DEBUG"; then
-      SANITY_CHECKING_FEATURE="#define CAIRO_DO_SANITY_CHECKING 1"
-    else
-      SANITY_CHECKING_FEATURE="#undef CAIRO_DO_SANITY_CHECKING"
-    fi
-
     AC_SUBST(PS_SURFACE_FEATURE)
     AC_SUBST(PDF_SURFACE_FEATURE)
     AC_SUBST(SVG_SURFACE_FEATURE)
@@ -8295,7 +8289,6 @@ if test "$MOZ_TREE_CAIRO"; then
     AC_SUBST(XLIB_XRENDER_SURFACE_FEATURE)
     AC_SUBST(QUARTZ_SURFACE_FEATURE)
     AC_SUBST(QUARTZ_IMAGE_SURFACE_FEATURE)
-    AC_SUBST(XCB_SURFACE_FEATURE)
     AC_SUBST(WIN32_SURFACE_FEATURE)
     AC_SUBST(OS2_SURFACE_FEATURE)
     AC_SUBST(DIRECTFB_SURFACE_FEATURE)

gfx/cairo/cairo/src/cairo-features.h.in

@@ -69,8 +69,6 @@
 
 @QUARTZ_IMAGE_SURFACE_FEATURE@
 
-@XCB_SURFACE_FEATURE@
-
 @WIN32_SURFACE_FEATURE@
 
 @OS2_SURFACE_FEATURE@