Add dots to "Generate password" string

BUG=739343

Change-Id: I5821dd6bdf1eee4fd7aa3798818da307106ca4f6
Reviewed-on: https://chromium-review.googlesource.com/768710
Commit-Queue: Tatiana Gornak <melandory@chromium.org>
Commit-Queue: Maxim Kolosovskiy <kolos@chromium.org>
Reviewed-by: Maxim Kolosovskiy <kolos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#516259}

chrome/app/generated_resources.grd

@@ -537,7 +537,7 @@ are declared in build/common.gypi.
             Save password
           </message>
           <message name="IDS_CONTENT_CONTEXT_GENERATEPASSWORD" desc="The name of the Generate Password command in the content area context menu">
-            Generate password
+            Generate password...
           </message>
           <message name="IDS_CONTENT_CONTEXT_MORE_APPS" desc="The label for the parent item of the submenu in the content area context menu.">
             More