Prevent static mojo builds from pulling //ui/gl into mojo_shell

gpu/command_buffer/client/BUILD.gn

 # Copyright (c) 2013 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.
 
 source_set("client") {
   sources = [
     "cmd_buffer_helper.cc",
     "cmd_buffer_helper.h",
     "fenced_allocator.cc",
     "fenced_allocator.h",
@@ skipping 66 matching lines @@
   "gles2_implementation.cc",
   "gles2_implementation.h",
   "gles2_implementation_impl_autogen.h",
   "gles2_trace_implementation_autogen.h",
   "gles2_trace_implementation.cc",
   "gles2_trace_implementation.h",
   "gles2_trace_implementation_impl_autogen.h",
   "gpu_memory_buffer_factory.h",
   "gpu_memory_buffer_tracker.cc",
   "gpu_memory_buffer_tracker.h",
+  "gpu_switches.cc",
+  "gpu_switches.h",
   "program_info_manager.cc",
   "program_info_manager.h",
   "query_tracker.cc",
   "query_tracker.h",
   "share_group.cc",
   "share_group.h",
   "vertex_array_object_manager.cc",
   "vertex_array_object_manager.h",
 ]
 
@@ skipping 19 matching lines @@
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     cflags = [ "/wd4267" ]  # size_t to int truncation.
   }
 
   deps = [
     ":gles2_cmd_helper",
     ":gles2_interface",
     "//base",
     "//gpu/command_buffer/common",
     "//ui/gfx/geometry",
-    "//ui/gl",
   ]
 }
 
 # Library emulates GLES2 using command_buffers.
 component("gles2_implementation_client_side_arrays") {
   sources = gles2_implementation_source_files
 
   defines = [
     "GLES2_IMPL_IMPLEMENTATION",
     "GLES2_SUPPORT_CLIENT_SIDE_ARRAYS=1",
@@ skipping 46 matching lines @@
 
   deps = [
     ":client",
     ":gles2_interface",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//gpu/command_buffer/common",
   ]
 }