Added expectation for failing WebGL conformance test on Win7/Intel

Only fails with D3D9 ANGLE. Didn't notice earlier because D3D11 and
Conformance 1.0.3 updates happened at roughly the same time.

BUG=372511
TBR=kbr@chromium.org,zmo@chromium.org

Review URL: https://codereview.chromium.org/285583002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269966 0039d316-1c4b-4281-b951-d872f2087c98

content/test/gpu/gpu_tests/webgl_conformance_expectations.py

@@ -43,6 +43,8 @@ class WebGLConformanceExpectations(test_expectations.TestExpectations):
         ['win7', 'intel'])
     self.Fail('conformance/textures/copy-tex-image-and-sub-image-2d.html',
         ['win7', 'intel'])
+    self.Fail('conformance/rendering/gl-viewport-test.html',
+        ['win7', 'intel'], bug=372511)
 
     # Mac / Intel failures
     # Radar 13499466