MD Extensions: Show messages for no extensions, and for no search results

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 45483c7be5b77ad6472de91e873b9f6d3445c4b3..0bb2f54468ba370e112f18596bb549dedad0705b 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -4317,6 +4317,12 @@ From <ph name="DOWNLOAD_DOMAIN">$3<ex>example.com</ex></ph>
         <message name="IDS_MD_EXTENSIONS_LOAD_ERROR_RETRY" desc="The text on the button to retry loading an unpacked extension after a failed load.">
           Retry
         </message>
+        <message name="IDS_MD_EXTENSIONS_NO_INSTALLED_ITEMS" desc="The message shown to the user on the Extensions settings page when there are no extensions or apps installed.">

[dpapad, 2017/07/11 01:36:56]

FYI, you probably need to rebase this after
https://codereview.chromium.org/2975713002 which moved those strings to their
own file.

[scottchen, 2017/07/11 18:08:18]

Acknowledged.

+          Find extensions and apps in the <ph name="BEGIN_LINK">&lt;a target="_blank" href="https://chrome.google.com/webstore/category/extensions"&gt;</ph>Chrome Web Store<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>
+        </message>
+        <message name="IDS_MD_EXTENSIONS_NO_SEARCH_RESULTS" desc="The message shown to the user when a search on the Extensions settings page has no matching results.">
+          No search results found
+        </message>
         <message name="IDS_MD_EXTENSIONS_PACK_DIALOG_TITLE" desc="The title of the dialog to pack an extension.">
           Pack extension
         </message>