Update the WebGL2 conformance expectations for the passthrough cmd decoder.

TBR=zmo@chromium.org
NOTRY=true

BUG=668223

Change-Id: Ibf09100c74fa4ec2c8e7738f7f977153f1816c69
Reviewed-on: https://chromium-review.googlesource.com/574929Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487198}

content/test/gpu/gpu_tests/webgl2_conformance_expectations.py

@@ -200,11 +200,6 @@ class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
     self.Flaky('deqp/*', ['win', 'intel', 'd3d11'], bug=628395)
 
     # Passthrough command decoder / D3D11
-    self.Fail('conformance2/textures/misc/' +
-        'copy-texture-image-webgl-specific.html',
-        ['win', 'passthrough', 'd3d11'], bug=602688)
-    self.Fail('conformance/textures/misc/copy-tex-image-and-sub-image-2d.html',
-        ['win', 'passthrough', 'd3d11'], bug=602688)
     self.Fail('deqp/functional/gles3/shaderstruct.html',
         ['win', 'passthrough', 'd3d11'], bug=602688)