Fixing gn manifests for many executables

chrome/browser/nacl_host/test/BUILD.gn

Index: chrome/browser/nacl_host/test/BUILD.gn
diff --git a/chrome/browser/nacl_host/test/BUILD.gn b/chrome/browser/nacl_host/test/BUILD.gn
index fca5c76377681903d8f4a0741d4a3883fc13aa7a..4716ffea7893778c1459f7887eea95001dd0b3c5 100644
--- a/chrome/browser/nacl_host/test/BUILD.gn
+++ b/chrome/browser/nacl_host/test/BUILD.gn
@@ -11,6 +11,9 @@ if (enable_nacl && (is_linux || is_win)) {
     ]
     deps = [
       "//base",
+
+      # Default manifest on Windows (a no-op elsewhere).
+      "//build/win:default_exe_manifest",
     ]
   }
 }