Expand flaky webgl2 test expectations

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 301 matching lines @@
     self.Skip('deqp/functional/gles3/shaderswitch.html',
         ['linux'], bug=483282)
     self.Fail('conformance2/glsl3/vector-dynamic-indexing.html',
         ['linux'], bug=483282)
     self.Fail('conformance2/rendering/draw-buffers.html',
         ['linux'], bug=483282)
     self.Fail('deqp/functional/gles3/fbostatequery.html',
         ['linux'], bug=483282)
 
     self.Flaky('deqp/functional/gles3/negativeshaderapi.html',
-        ['linux', 'debug'], bug=483282)
+        ['linux'], bug=483282)
 
     # Linux AMD only.
     # It looks like AMD shader compiler rejects many valid ES3 semantics.
     self.Skip('deqp/data/gles3/shaders/arrays.html',
         ['linux', 'amd'], bug=483282)
     self.Skip('deqp/data/gles3/shaders/qualification_order.html',
         ['linux', 'amd'], bug=483282)
     self.Skip('deqp/functional/gles3/texturestatequery.html',
         ['linux', 'amd'], bug=483282)
     self.Fail('conformance2/buffers/buffer-type-restrictions.html',
@@ skipping 65 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'])