Suppress some flaky WebGL and WebGL2 tests

content/test/gpu/gpu_tests/webgl2_conformance_expectations.py

 # Copyright (c) 2015 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.
 from gpu_tests.webgl_conformance_expectations import WebGLConformanceExpectations
 
 # See the GpuTestExpectations class for documentation.
 
 class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
   def __init__(self, conformance_path, url_prefixes=None, is_asan=False):
     super(WebGL2ConformanceExpectations, self).__init__(
@@ skipping 984 matching lines @@
         ['linux', 'amd'], bug=483282)
     self.Fail('deqp/functional/gles3/uniformbuffers/random.html',
         ['linux', 'amd'], bug=483282)
     self.Fail('conformance2/buffers/uniform-buffers.html',
         ['linux', 'amd'], bug=658842)
     self.Fail('conformance2/rendering/uniform-block-buffer-size.html',
         ['linux', 'amd'], bug=658844)
 
     # Linux AMD R7 240
     self.Fail('conformance2/textures/image_bitmap_from_video/' +
+        'tex-2d-rgba16f-rgba-float.html',
+        ['linux', ('amd', 0x6613)], bug=701138)
+    self.Fail('conformance2/textures/image_bitmap_from_video/' +
         'tex-2d-rgba16f-rgba-half_float.html',
         ['linux', ('amd', 0x6613)], bug=701138)
     self.Fail('conformance2/textures/image_bitmap_from_video/' +
         'tex-2d-rgba32f-rgba-float.html',
         ['linux', ('amd', 0x6613)], bug=701138)
+    self.Fail('conformance2/textures/image_bitmap_from_video/' +
+        'tex-2d-rgba4-rgba-unsigned_byte.html',
+        ['linux', ('amd', 0x6613)], bug=701138)
+    self.Fail('conformance2/textures/image_bitmap_from_video/' +
+        'tex-2d-rgba4-rgba-unsigned_short_4_4_4_4.html',
+        ['linux', ('amd', 0x6613)], bug=701138)

[Ken Russell (switch to Gerrit), 2017/03/16 00:41:36]

Are these failing reliably, or could they be marked Flaky instead?

 
     # Conflicting expectations to test that the
     # "Expectations have no collisions" unittest works.
     # page_name = 'conformance/glsl/constructors/glsl-construct-ivec4.html'
 
     # Conflict when all conditions match
     # self.Fail(page_name,
     #     ['linux', ('nvidia', 0x1), 'debug', 'opengl'])
     # self.Fail(page_name,
     #     ['linux', ('nvidia', 0x1), 'debug', 'opengl'])
@@ skipping 45 matching lines @@
     # self.Fail(page_name,
     #     ['linux', ('nvidia', 0x1), 'debug', 'opengl'])
     # self.Fail(page_name,
     #     ['win', ('nvidia', 0x1), 'debug', 'opengl'])
 
     # Conflicts if between a generic os condition and a specific version
     # self.Fail(page_name,
     #     ['xp', ('nvidia', 0x1), 'debug', 'opengl'])
     # self.Fail(page_name,
     #     ['win', ('nvidia', 0x1), 'debug', 'opengl'])