Reland http://codereview.chromium.org/9121050/ with fix for aura_win

ash/ash.gyp

Index: ash/ash.gyp
diff --git a/ash/ash.gyp b/ash/ash.gyp
index 986795f7bddc3f48a6381bd68e0d8a7408d47a3e..2fe57faab4127e112997f8c4ede295434a5e0879 100644
--- a/ash/ash.gyp
+++ b/ash/ash.gyp
@@ -13,6 +13,7 @@
       'target_name': 'ash',
       'type': '<(component)',
       'dependencies': [
+        'ash_strings',
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
@@ -336,5 +337,25 @@
         }],
       ],
     },
+    {
+      'target_name': 'ash_strings',
+      'type': 'none',
+      'actions': [
+        # Localizable resources.
+        {
+          'action_name': 'ash_strings',
+          'variables': {
+            'grit_grd_file': 'ash_strings.grd',
+            'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/ash_strings',
+          },
+          'includes': [ '../build/grit_action.gypi' ],
+        },
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '<(SHARED_INTERMEDIATE_DIR)/ash_strings',
+        ],
+      },
+    },
   ],
 }