Add the ability for keys to be drawn as an image.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 9f5ba680a6b701604a485fb66e3398e72c779b58..b9688c33fe937f6f4fcb2686cfce42863ab0e176 100644
--- a/DEPS
+++ b/DEPS
@@ -341,4 +341,16 @@ hooks = [
                 '-s', 'src/third_party/dejavu-fonts-ttf-2.34/ttf/DejaVuSansMono.ttf.sha1',
     ],
   },
+  # Pull keyboard_native resources using checked-in hashes.
+  {
+    'name': 'keyboard_native_resources',
+    'pattern': '',
+    'action': [ 'download_from_google_storage',
+                '--no_resume',
+                '--no_auth',
+                '--bucket', 'mojo/keyboard_native',
+                '-d', 'src/services/keyboard_native/res',
+    ],
+  },
+
 ]