Mark a newly added test as fail on Nexus 6

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 563 matching lines @@
          ('qualcomm', 'Adreno (TM) 420')], bug=499874)
     self.Fail('conformance/rendering/gl-scissor-test.html',
         ['android', ('qualcomm', 'Adreno (TM) 420')], bug=499555)
     self.Fail('conformance/rendering/gl-viewport-test.html',
         ['android', ('qualcomm', 'Adreno (TM) 420')], bug=611945)
     self.Fail('conformance/textures/misc/' +
         'copy-tex-image-and-sub-image-2d.html',
         ['android', ('qualcomm', 'Adreno (TM) 420')], bug=499555)
     self.Fail('conformance/uniforms/uniform-samplers-test.html',
         ['android', ('qualcomm', 'Adreno (TM) 430')], bug=663071)
+    self.Fail('conformance/offscreencanvas/' +
+        'context-attribute-preserve-drawing-buffer.html',
+        ['android', ('qualcomm', 'Adreno (TM) 420')], bug=693135)
     self.Fail('WebglExtension_EXT_sRGB',
         ['android',
          ('qualcomm', 'Adreno (TM) 420'), ('qualcomm', 'Adreno (TM) 430')])
 
     # Nexus 9
     self.Fail('deqp/data/gles2/shaders/functions.html',
         ['android', 'nvidia'], bug=478572)
     self.Fail('conformance/glsl/bugs/multiplication-assignment.html',
         ['android', 'nvidia'], bug=606096)
     self.Fail('WebglExtension_WEBGL_compressed_texture_atc',
@@ skipping 87 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)