Upstreaming AppMenu.

chrome/android/java/strings/android_chrome_strings.grd

Index: chrome/android/java/strings/android_chrome_strings.grd
diff --git a/chrome/android/java/strings/android_chrome_strings.grd b/chrome/android/java/strings/android_chrome_strings.grd
index 21bf1f8a3db82c8a5f597dc4cd7f301562901b8b..dd9d1fb54d77801d82349510c723c977a240e8f3 100644
--- a/chrome/android/java/strings/android_chrome_strings.grd
+++ b/chrome/android/java/strings/android_chrome_strings.grd
@@ -127,6 +127,18 @@ You are signing in with a managed account and giving its administrator control o
       <message name="IDS_ERROR_PRINTING_FAILED" desc="Generic error message shown when Chrome fails to print the current page for some reason.">
         There was a problem printing the page. Please try again.
       </message>
+      <message name="IDS_ACCESSIBILITY_MENU_BOOKMARK" desc="Content description for the bookmark button when the page is not currently bookmarked.">
+        Bookmark page
+      </message>
+      <message name="IDS_ACCESSIBILITY_MENU_EDIT_BOOKMARK" desc="Content description for the bookmark button when the page is currently bookmarked.">
+        Edit bookmark page
+      </message>
+      <message name="IDS_ACCESSIBILITY_MENU_FORWARD" desc="Content description for the forward navigation button.">
+        Go forward
+      </message>
+      <message name="IDS_ACCESSIBILITY_MENU_BACK" desc="Content description for the backard navigation button.">
+        Go back
+      </message>
     </messages>
   </release>
   <translations>