GN: Fix Android component build

mojo/gles2/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//mojo/public/tools/bindings/mojom.gni")
 
 config("mojo_use_gles2") {
   defines = [ "MOJO_USE_GLES2_IMPL" ]
 }
 
 config("gles2_use_mojo") {
   defines = [ "GLES2_USE_MOJO" ]
 }
 
 # GYP version: mojo/mojo_base.gyp:mojo_gles2_impl
 component("gles2") {
   output_name = "mojo_gles2_impl"
 
   deps = [
     "//base",
     "//base/third_party/dynamic_annotations",
     "//gpu/command_buffer/client",
+    "//gpu/command_buffer/client:gles2_cmd_helper",
     "//gpu/command_buffer/client:gles2_implementation",
     "//gpu/command_buffer/client:gles2_interface",
     "//gpu/command_buffer/common",
     "//mojo/environment:chromium",
     "//mojo/public/c/system:for_component",
     "//mojo/services/gles2:lib",
     "//mojo/services/public/interfaces/gpu",
   ]
 
   defines = [
@@ skipping 11 matching lines @@
 
   sources = [
     "command_buffer_client_impl.cc",
     "command_buffer_client_impl.h",
     "gles2_impl_export.h",
     "gles2_impl.cc",
     "gles2_context.cc",
     "gles2_context.h",
   ]
 }