WebGL conformance test expectation update

Mark conformance/context/context-lost-restored.html as fail on win.

(although it's win debug only, we haven't been able to separate debug from release yet)

BUG=374378
TEST=win debug bots
TBR=bajones@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/299713005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271964 0039d316-1c4b-4281-b951-d872f2087c98

content/test/gpu/gpu_tests/webgl_conformance_expectations.py

@@ -35,6 +35,8 @@ def SetExpectations(self):
     # Flaky on Win
     self.Fail('conformance/extensions/webgl-draw-buffers.html',
         ['win'], bug=369349)
+    self.Fail('conformance/context/context-lost-restored.html',
+        ['win'], bug=374378)
 
     # Win7 / Intel failures
     self.Fail('conformance/rendering/gl-scissor-test.html',