Update WebGL2 conformance test expectations for Linux AMD.

content/test/gpu/gpu_tests/webgl2_conformance_expectations.py

Index: content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
diff --git a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py b/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
index 984313793f54868daf6cff85958a061b1a2d0393..085c54f053893f6e039eab238afb8d8899f9eb19 100644
--- a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
+++ b/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
@@ -682,6 +682,17 @@ class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
     self.Fail('deqp/functional/gles3/texturespecification/' +
         'texstorage3d_format_size.html',
         ['linux', 'amd'], bug=483282)
+    self.Fail('deqp/functional/gles3/uniformbuffers/single_struct_array.html',
+        ['linux', 'amd'], bug=483282)
+    self.Fail('deqp/functional/gles3/uniformbuffers/single_nested_struct.html',
+        ['linux', 'amd'], bug=483282)
+    self.Fail('deqp/functional/gles3/uniformbuffers/' +
+        'single_nested_struct_array.html',
+        ['linux', 'amd'], bug=483282)
+    self.Fail('deqp/functional/gles3/uniformbuffers/multi_basic_types.html',
+        ['linux', 'amd'], bug=483282)
+    self.Fail('deqp/functional/gles3/uniformbuffers/multi_nested_struct.html',
+        ['linux', 'amd'], bug=483282)
 
     # Conflicting expectations to test that the
     # "Expectations Have No collisions" unittest works.