Index: ui/gl/BUILD.gn
--- ui/gl/BUILD.gn.orig
+++ ui/gl/BUILD.gn
@@ -151,8 +151,6 @@ component("gl") {
     defines += [ "GPU_ENABLE_SERVICE_LOGGING" ]
   }
 
-  include_dirs = [ "//third_party/mesa_headers" ]
-
   all_dependent_configs = [ ":gl_config" ]
 
   public_configs = [ "//third_party/khronos:khronos_headers" ]
@@ -169,7 +167,6 @@ component("gl") {
   ]
   public_deps = [
     "//base",
-    "//third_party/mesa_headers",
     "//ui/events/platform",
     "//ui/gfx",
     "//ui/gfx/geometry",
@@ -373,7 +370,6 @@ component("gl") {
     data_deps += [
       "//third_party/angle:libEGL",
       "//third_party/angle:libGLESv2",
-      "//third_party/mesa_headers",
     ]
     if (enable_swiftshader) {
       data_deps += [
@@ -574,7 +570,6 @@ test("gl_unittests") {
 
   data_deps = [
     "//testing/buildbot/filters:gl_unittests_filters",
-    "//third_party/mesa_headers",
   ]
 
   if (is_win) {