diff --git a/gpu/command_buffer/service/BUILD.gn b/gpu/command_buffer/service/BUILD.gn
index fb591a6..15af2e7 100644
--- a/gpu/command_buffer/service/BUILD.gn
+++ b/gpu/command_buffer/service/BUILD.gn
@@ -153,6 +153,8 @@
     "gles2_cmd_validation.h",
     "gles2_cmd_validation_autogen.h",
     "gles2_cmd_validation_implementation_autogen.h",
+    "gles2_query_manager.cc",
+    "gles2_query_manager.h",
     "gpu_fence_manager.cc",
     "gpu_fence_manager.h",
     "gpu_state_tracer.cc",