[Android] Fix "remove" and "remove all" usage on NTP.

Use "Remove all" for the recently closed tabs list, and "Remove" for
all other lists.

BUG=163944

Review URL: https://chromiumcodereview.appspot.com/11416322

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@171050 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/generated_resources.grd

@@ -11470,7 +11470,10 @@ experiment id: "<ph name="EXPERIMENT_ID">$5<ex>ar1</ex></ph>"
         <message name="IDS_NEW_TAB_CONTEXT_MENU_OPEN_IN_INCOGNITO_TAB" desc="Context menu description for loading a link in an incognito tab">
           Open in incognito tab
         </message>
-        <message name="IDS_NEW_TAB_CONTEXT_MENU_REMOVE" desc="Context menu description for removing all recently closed items">
+        <message name="IDS_NEW_TAB_CONTEXT_MENU_REMOVE" desc="Context menu description for removing the selected item">
+          Remove
+        </message>
+        <message name="IDS_NEW_TAB_CONTEXT_MENU_REMOVE_ALL" desc="Context menu description for removing all items from a list">
           Remove all
         </message>
         <message name="IDS_NEW_TAB_CONTEXT_MENU_EDIT_BOOKMARK" desc="Context menu description for editing the selected bookmark">

chrome/browser/resources/ntp_android/ntp_android.js

@@ -2462,7 +2462,7 @@ cr.define('ntp', function() {
         ],
         [
           ContextMenuItemIds.RECENTLY_CLOSED_REMOVE,
-          templateData.elementremove
+          templateData.removeall
         ]
       ];
     } else if (section == SectionType.FOREIGN_SESSION_HEADER) {

chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc

@@ -81,6 +81,8 @@ void NTPResourceCache::CreateNewTabHTML() {
           IDS_NEW_TAB_CONTEXT_MENU_OPEN_IN_INCOGNITO_TAB));
   localized_strings.SetString("elementremove",
       l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_REMOVE));
+  localized_strings.SetString("removeall",
+      l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_REMOVE_ALL));
   localized_strings.SetString("bookmarkedit",
       l10n_util::GetStringUTF16(IDS_NEW_TAB_CONTEXT_MENU_EDIT_BOOKMARK));
   localized_strings.SetString("bookmarkdelete",