Supress passthrough decoder WebGL failures.

content/test/gpu/gpu_tests/webgl_conformance_expectations.py

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 import os
 
 from gpu_tests.gpu_test_expectations import GpuTestExpectations
 
 # See the GpuTestExpectations class for documentation.
 
 class WebGLConformanceExpectations(GpuTestExpectations):
@@ skipping 325 matching lines @@
     self.Fail('conformance/textures/misc/texture-attachment-formats.html',
         ['win', 'passthrough', 'd3d11'], bug=602688)
     self.Fail('conformance/textures/misc/texture-copying-feedback-loops.html',
         ['win', 'passthrough', 'd3d11'], bug=1639) # angle bug ID
     self.Fail('conformance/textures/misc/texture-mips.html',
         ['win', 'passthrough', 'd3d11'], bug=665518)
     self.Fail('conformance/uniforms/uniform-samplers-test.html',
         ['win', 'passthrough', 'd3d11'], bug=1639) # angle bug ID
     self.Fail('WebglExtension_OES_texture_float_linear',
         ['win', 'passthrough', 'd3d11'], bug=1523) # angle bug ID
+    self.Fail('WebglExtension_OES_element_index_uint',
+        ['win', 'passthrough', 'd3d11'], bug=671217) # angle bug ID
     self.Fail('WebglExtension_OES_texture_half_float_linear',
         ['win', 'passthrough', 'd3d11'], bug=1523) # angle bug ID
 
     # Win / Intel / Passthrough command decoder
     self.Flaky('conformance/renderbuffers/framebuffer-state-restoration.html',
         ['win', 'intel', 'passthrough', 'd3d11'], bug=602688)
     self.Fail('conformance/renderbuffers/renderbuffer-initialization.html',
         ['win', 'intel', 'passthrough', 'd3d11'], bug=1635) # angle bug ID
     self.Fail('conformance/textures/misc/' +
         'copytexsubimage2d-large-partial-copy-corruption.html',
@@ skipping 500 matching lines @@
     self.Fail('conformance/textures/misc/texture-npot.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Fail('conformance/textures/misc/texture-npot-video.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Fail('conformance/textures/misc/texture-size.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Fail('conformance/uniforms/gl-uniform-arrays.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Skip('conformance/uniforms/uniform-default-values.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)