Mark webgl2 teximage2d_unpack_params test as flaky on Mac AMD.

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):
     super(WebGL2ConformanceExpectations, self).__init__(
@@ skipping 390 matching lines @@
 
     self.Flaky('deqp/functional/gles3/shaderindexing/mat_02.html',
         ['mac', 'amd'], bug=644360)
 
     # These seem to be provoking intermittent GPU process crashes on
     # the MacBook Pros with AMD GPUs.
     self.Flaky('deqp/functional/gles3/texturefiltering/*',
         ['mac', 'amd'], bug=663601)
     self.Flaky('deqp/functional/gles3/textureshadow/*',
         ['mac', 'amd'], bug=663601)
+    self.Flaky('deqp/functional/gles3/texturespecification/' +
+        'teximage2d_unpack_params.html',
+        ['mac', 'amd'], bug=679058)
 
     self.Fail('conformance2/rendering/clipping-wide-points.html',
         ['mac', 'amd'], bug=642822)
     self.Fail('conformance2/reading/read-pixels-from-rgb8-into-pbo-bug.html',
         ['mac', 'amd'], bug=646182)
     self.Fail('conformance2/rendering/instanced-rendering-bug.html',
         ['mac', 'amd'], bug=645298)
 
     # Mac Pro with AMD GPU
     self.Flaky('deqp/functional/gles3/shaderindexing/mat_01.html',
@@ skipping 434 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'])