Enable webgl extensions tests.

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/__dir__.ini

@@ -1 +0,0 @@
-disabled: we don't support extensions and these tests are flaking

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/angle-instanced-arrays-out-of-bounds.html.ini

@@ -1,5 +0,0 @@
-[angle-instanced-arrays-out-of-bounds.html]
-  type: testharness
-  expected:
-    if os == "mac": CRASH
-    if not debug and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64) and (backend == "cpu"): CRASH

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/angle-instanced-arrays.html.ini

@@ -1,5 +0,0 @@
-[angle-instanced-arrays.html]
-  type: testharness
-  expected:
-    if os == "mac": CRASH
-    if not debug and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64) and (backend == "cpu"): CRASH

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/ext-blend-minmax.html.ini

@@ -1,7 +1,5 @@
 [ext-blend-minmax.html]
   type: testharness
-  expected:
-    if os == "mac": CRASH
   [WebGL test #1: getError expected: INVALID_ENUM. Was NO_ERROR : after evaluating: gl.blendEquation(MIN_EXT)]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/ext-frag-depth.html.ini

@@ -1,7 +1,5 @@
 [ext-frag-depth.html]
   type: testharness
-  expected:
-    if os == "mac": CRASH
   [WebGL test #1: successfullyParsed should be true (of type boolean). Was undefined (of type undefined).]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/ext-sRGB.html.ini

@@ -1,7 +1,5 @@
 [ext-sRGB.html]
   type: testharness
-  expected:
-    if os == "mac": CRASH
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/ext-shader-texture-lod.html.ini

@@ -1,7 +1,5 @@
 [ext-shader-texture-lod.html]
   type: testharness
-  expected:
-    if os == "mac": CRASH
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/ext-texture-filter-anisotropic.html.ini

@@ -1,6 +1,6 @@
 [ext-texture-filter-anisotropic.html]
   type: testharness
-  expected: CRASH
+  expected: ERROR
   [WebGL test #2: successfullyParsed should be true (of type boolean). Was undefined (of type undefined).]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/get-extension.html.ini

@@ -1,3 +0,0 @@
-[get-extension.html]
-  type: testharness
-  expected: CRASH

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/oes-element-index-uint.html.ini

@@ -1,3 +0,0 @@
-[oes-element-index-uint.html]
-  type: testharness
-  expected: CRASH

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/oes-standard-derivatives.html.ini

@@ -1,6 +1,5 @@
 [oes-standard-derivatives.html]
   type: testharness
-  expected: CRASH
   [WebGL test #3: successfullyParsed should be true (of type boolean). Was undefined (of type undefined).]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/oes-texture-float-linear.html.ini

@@ -1,6 +1,5 @@
 [oes-texture-float-linear.html]
   type: testharness
-  expected: CRASH
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/oes-texture-float-with-canvas.html.ini

@@ -1,6 +1,5 @@
 [oes-texture-float-with-canvas.html]
   type: testharness
-  expected: CRASH
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/oes-texture-float-with-image-data.html.ini

@@ -1,6 +1,5 @@
 [oes-texture-float-with-image-data.html]
   type: testharness
-  expected: CRASH
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected: FAIL
 

tests/wpt/metadata/webgl/conformance-1.0.3/conformance/extensions/oes-texture-float-with-image.html.ini

@@ -1,6 +1,5 @@
 [oes-texture-float-with-image.html]
   type: testharness
-  expected: CRASH
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected:
       if os == "linux": FAIL