Remove use_qualified_include from grit_rule.gni

third_party/libaddressinput/BUILD.gn

Index: third_party/libaddressinput/BUILD.gn
diff --git a/third_party/libaddressinput/BUILD.gn b/third_party/libaddressinput/BUILD.gn
index dadb6c06b732058592282a92cd328a2751ca3b45..2ef85fbfd657ef65452732fe364023da7c30826e 100644
--- a/third_party/libaddressinput/BUILD.gn
+++ b/third_party/libaddressinput/BUILD.gn
@@ -15,14 +15,15 @@ config("internal_config") {
       "-Wno-deprecated-register",
     ]
   }
+
+  # libaddressinput just says `#include "messages.h"` for grit-generated
+  # headers.
+  include_dirs = [ target_gen_dir ]
 }
 
 grit("strings") {
   source = "//chrome/app/address_input_strings.grd"
 
-  # libaddressinput's tests just say `#include "messages.h"`.
-  use_qualified_include = false
-
   outputs = [
     "messages.h",
     "en_messages.cc",