Roll WebGL 46ec84c..a7fa4b5 and update webgl expectation

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):
     super(WebGL2ConformanceExpectations, self).__init__(conformance_path)
@@ skipping 142 matching lines @@
     # It's unfortunate that these suppressions need to be so broad, but it
     # looks like the D3D11 device can be lost spontaneously on this
     # configuration while running basically any test.
     self.Flaky('conformance/*', ['win', 'intel'], bug=628395)
     self.Flaky('conformance2/*', ['win', 'intel'], bug=628395)
     self.Flaky('deqp/*', ['win', 'intel'], bug=628395)
 
     # Mac only.
     self.Fail('conformance/glsl/misc/shaders-with-invariance.html',
         ['mac'], bug=483282)
+    self.Fail('conformance2/extensions/ext-color-buffer-float.html',
+        ['mac'], bug=633022)

[Ken Russell (switch to Gerrit), 2016/08/09 17:38:21]

This failure expectation is really unfortunate. Please investigate it with high
priority. Thanks.

     self.Fail('deqp/functional/gles3/shaderloop_do_while.html',
         ['mac'], bug=617820)
     self.Fail('deqp/functional/gles3/fbocompleteness.html',
         ['mac'], bug=630800)
     # self.Fail('deqp/functional/gles3/fbocompleteness.html',
     #     ['mac', ('nvidia', 0xfe9)], bug=616562)
     self.Fail('deqp/data/gles3/shaders/linkage.html',
         ['mac'], bug=601821)
 
     # This one's flaky on AMD, NVIDIA and Intel GPUs, but the
@@ skipping 685 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'])