Moves IDS_ADD and IDS_SAVE to components_strings.grd

Allows for using those resources on iOS

TBR=stevenjb@

Review-Url: https://codereview.chromium.org/2723523002
Cr-Commit-Position: refs/heads/master@{#453324}
diff --git a/components/components_strings.grd b/components/components_strings.grd
index 0e7cb30..16ca124 100644
--- a/components/components_strings.grd
+++ b/components/components_strings.grd
@@ -232,6 +232,12 @@
       <message name="IDS_OK" desc="Used for OK on buttons">
         OK
       </message>
+      <message name="IDS_ADD" desc="Used for Add on buttons">
+        Add
+      </message>
+      <message name="IDS_SAVE" desc="Used on a button to save information you are editing.">
+        Save
+      </message>
       <message name="IDS_NO_THANKS" desc="Used to dismiss various prompts.">
         No thanks
       </message>