Defer a couple of svg layout tests.

webkit/tools/layout_tests/test_lists/tests_fixable.txt

Index: webkit/tools/layout_tests/test_lists/tests_fixable.txt
===================================================================
--- webkit/tools/layout_tests/test_lists/tests_fixable.txt	(revision 11738)
+++ webkit/tools/layout_tests/test_lists/tests_fixable.txt	(working copy)
@@ -406,7 +406,8 @@
 // baseline is invalid. This might indicate a failure in our font fallback code
 // or might be expected and that we should either go with the buildbot output or
 // change the test upstream to specify explicitly what font to use.
-LINUX WIN : LayoutTests/fast/backgrounds/svg-as-background-6.html = FAIL
+// http://crbug.com/3244 : The mask part of this test is totally wrong.
+DEFER LINUX WIN : LayoutTests/fast/backgrounds/svg-as-background-6.html = FAIL
 
 // BUG: 992321
 // The failures listed below have never passed in Chromium and need to be
@@ -572,8 +573,9 @@
 LINUX : LayoutTests/svg/W3C-SVG-1.1/masking-opacity-01-b.svg = FAIL
 
 // Fixed upstream, see https://bugs.webkit.org/show_bug.cgi?id=21910.
-// However, we don't seem to draw the "eyeballs" at the correct location.
-LINUX WIN : LayoutTests/fast/backgrounds/svg-as-background-3.html = FAIL
+// However, we need to support focal point for radial gradients (see
+// http://crbug.com/8696)
+DEFER LINUX WIN : LayoutTests/fast/backgrounds/svg-as-background-3.html = FAIL
 
 //
 // -----------------------------------------------------------------