Occlusion query feature is already in GL ES3.0 spec, not an extension.

gpu/command_buffer/service/feature_info_unittest.cc

Index: gpu/command_buffer/service/feature_info_unittest.cc
diff --git a/gpu/command_buffer/service/feature_info_unittest.cc b/gpu/command_buffer/service/feature_info_unittest.cc
index dafe9d377c70f39c58f5b038326e9609fab75d20..da5b4bd808e99e910960d86faff88680d7c5c79e 100644
--- a/gpu/command_buffer/service/feature_info_unittest.cc
+++ b/gpu/command_buffer/service/feature_info_unittest.cc
@@ -1222,6 +1222,11 @@ TEST_P(FeatureInfoTest, InitializeARB_occlusion_query2) {
       ).use_arb_occlusion_query_for_occlusion_query_boolean);
 }
 
+TEST_P(FeatureInfoTest, InitializeGLES3_occlusion_query_boolean) {
+  SetupInitExpectationsWithGLVersion("", "", "OpenGL ES 3.0");
+  EXPECT_TRUE(info_->feature_flags().occlusion_query_boolean);
+}
+
 TEST_P(FeatureInfoTest, InitializeOES_vertex_array_object) {
   SetupInitExpectations("GL_OES_vertex_array_object");
   EXPECT_THAT(info_->extensions(),