diff --git a/gpu/gpu_common.gypi b/gpu/gpu_common.gypi
index 4402e0b..24c7e4d1 100644
--- a/gpu/gpu_common.gypi
+++ b/gpu/gpu_common.gypi
@@ -23,6 +23,9 @@
       'command_buffer/client/gles2_implementation_autogen.h',
       'command_buffer/client/gles2_implementation.cc',
       'command_buffer/client/gles2_implementation.h',
+      'command_buffer/client/gles2_implementation_impl_autogen.h',
+      'command_buffer/client/gles2_interface.h',
+      'command_buffer/client/gles2_interface.cc',
       'command_buffer/client/program_info_manager.cc',
       'command_buffer/client/program_info_manager.h',
       'command_buffer/client/query_tracker.cc',