[iOS] Disable page info on NTP.

Disable Site Info on the NTP to avoid user's confusion.

Bug: 977056
Change-Id: Ia47495580d8ec7a3eee3347e22f91d7c63647026
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1719009
Auto-Submit: Stepan Khapugin <stkhapugin@chromium.org>
Commit-Queue: Joe DeBlasio <jdeblasio@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Joe DeBlasio <jdeblasio@chromium.org>
Cr-Commit-Position: refs/heads/master@{#681875}

ios/chrome/browser/ui/popup_menu/popup_menu_mediator.mm

@@ -571,6 +571,12 @@ PopupMenuToolsItem* CreateTableViewItem(int titleID,
   if (URL.SchemeIs(kChromeUIScheme) && URL.host() == kChromeUIOfflineHost) {
     return YES;
   }
+  // Do not show site info for NTP.
+  if (URL.spec() == kChromeUIAboutNewTabURL ||
+      URL.spec() == kChromeUINewTabURL) {
+    return NO;
+  }
+
   return navItem->GetVirtualURL().is_valid();
 }