Update Nexus 9 GPU bot webgl conformance test expectations.

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_tests.gpu_test_expectations import GpuTestExpectations
 
 # See the GpuTestExpectations class for documentation.
 
 class WebGLConformanceExpectations(GpuTestExpectations):
@@ skipping 572 matching lines @@
         ['android', ('qualcomm', 'Adreno (TM) 420')], bug=499555)
     self.Fail('conformance/uniforms/uniform-samplers-test.html',
         ['android', ('qualcomm', 'Adreno (TM) 430')], bug=663071)
     self.Fail('WebglExtension_EXT_sRGB',
         ['android',
          ('qualcomm', 'Adreno (TM) 420'), ('qualcomm', 'Adreno (TM) 430')])
 
     # Nexus 9
     self.Fail('deqp/data/gles2/shaders/functions.html',
         ['android', 'nvidia'], bug=478572)
-    self.Skip('conformance/extensions/oes-texture-float-with-video.html',
-        ['android', 'nvidia'], bug=499555) # flaky
     self.Fail('conformance/glsl/bugs/multiplication-assignment.html',
         ['android', 'nvidia'], bug=606096)
-    self.Fail('conformance/glsl/constructors/glsl-construct-mat2.html',
-        ['android', 'nvidia'], bug=606096)
-    self.Fail('conformance/glsl/constructors/glsl-construct-mat3.html',
-        ['android', 'nvidia'], bug=606096)
-    self.Fail('conformance/glsl/constructors/glsl-construct-mat4.html',
-        ['android', 'nvidia'], bug=606096)
     self.Fail('WebglExtension_WEBGL_compressed_texture_atc',
         ['android', ('nvidia', 'NVIDIA Tegra')])
-    self.Fail('deqp/data/gles2/shaders/conversions.html',
-        ['android', ('nvidia', 'NVIDIA Tegra')], bug=478572)
 
     # Pixel C
     self.Fail('conformance/glsl/bugs/constant-precision-qualifier.html',
         ['android', 'android-chromium',
          ('nvidia', 'NVIDIA Tegra')], bug=624621)
 
     ############
     # ChromeOS #
     ############
 
@@ skipping 76 matching lines @@
     self.Fail('conformance/textures/misc/texture-npot.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Fail('conformance/textures/misc/texture-npot-video.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Fail('conformance/textures/misc/texture-size.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Fail('conformance/uniforms/gl-uniform-arrays.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)
     self.Skip('conformance/uniforms/uniform-default-values.html',
         ['chromeos', ('intel', 0xa011)], bug=375554)