Add missing 'hard_dependency' in gyp targets using grit_action

docs/closure_compilation.md

Index: docs/closure_compilation.md
diff --git a/docs/closure_compilation.md b/docs/closure_compilation.md
index 4f403cdea60bf295a9aa492c6d32dc56a456b869..f4c0a1ce61aea5d2808933674b51629b90351890 100644
--- a/docs/closure_compilation.md
+++ b/docs/closure_compilation.md
@@ -152,6 +152,7 @@ with the contents:
       # GN version: //my_project/resources
       'target_name': 'my_project_resources',
       'type': 'none',
+      'hard_dependency': 1,
       'variables': {
         'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/my_project',
         'my_file_gen_js': '<(SHARED_INTERMEDIATE_DIR)/closure/my_project/my_file.js',