Re-add WebGL expected failure for Nexus 9.

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 352 matching lines @@
               ['android', ('qualcomm', 'Adreno (TM) 420')], bug=611945)
     self.Fail('conformance/textures/svg_image/' +
               'tex-2d-rgba-rgba-unsigned_short_5_5_5_1.html',
               ['android', ('qualcomm', 'Adreno (TM) 420')], bug=611945)
     self.Fail('deqp/data/gles2/shaders/preprocessor.html',
               ['android', ('qualcomm', 'Adreno (TM) 420')], bug=611945)
     self.Fail('conformance/glsl/misc/shader-with-_webgl-identifier.vert.html',
               ['android', ('qualcomm', 'Adreno (TM) 420')], bug=611945)
 
     # Nexus 9
+    self.Fail('deqp/data/gles2/shaders/functions.html',
+              ['android', ('nvidia', 'NVIDIA Tegra')], bug=478572)
     self.Fail('WebglExtension.WEBGL_compressed_texture_atc',
               ['android', ('nvidia', 'NVIDIA Tegra')])
 
     # ========================
     # Conformance expectations
     # ========================
     # Fails on all platforms
 
     # We need to add WebGL 1 check in command buffer that format/type from
     # TexSubImage2D have to match the current texture's.
@@ skipping 399 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)