Mark oes-texture-half-float-with-video.html failing on Mac with NVIDIA GPU.

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_test_expectations import GpuTestExpectations
 
 # See the GpuTestExpectations class for documentation.
 
 class WebGLConformanceExpectations(GpuTestExpectations):
@@ skipping 136 matching lines @@
     # Mac 10.9 / Intel HD 3000 failures
     self.Fail('conformance/ogles/GL/operators/operators_009_to_016.html',
         ['mavericks', ('intel', 0x116)], bug=417415)
     self.Fail('conformance/rendering/gl-scissor-test.html',
         ['mavericks', ('intel', 0x116)], bug=417415)
 
     # Mac Retina failures
     self.Fail(
         'conformance/glsl/bugs/array-of-struct-with-int-first-position.html',
         ['mac', ('nvidia', 0xfd5), ('nvidia', 0xfe9)], bug=368912)
-    self.Flaky('conformance/extensions/oes-texture-half-float-with-video.html',
-               ['mac', ('nvidia', 0xfd5), ('nvidia', 0xfe9)], bug=524717)
+    self.Fail('conformance/extensions/oes-texture-half-float-with-video.html',
+              ['mac', ('nvidia', 0xfd5), ('nvidia', 0xfe9)], bug=524717)
 
     # Mac / AMD Failures
     self.Fail('deqp/data/gles2/shaders/conversions.html',
         ['mac', 'amd'], bug=478572)
 
     # Mac 10.8 / ATI failures
     self.Fail(
         'conformance/rendering/' +
         'point-with-gl-pointcoord-in-fragment-shader.html',
         ['mountainlion', 'amd'])
@@ skipping 460 matching lines @@
     self.Fail('conformance2/rendering/instanced-arrays.html',
         ['mac'], bug=483282)
     self.Fail('deqp/functional/gles3/vertexarrayobject.html',
         ['mac'], bug=483282)
     self.Fail('deqp/functional/gles3/shaderswitch.html',
         ['mac'], bug=483282)
 
     # Linux only.
     self.Fail('deqp/functional/gles3/shaderswitch.html',
         ['linux'], bug=483282)