Remove unused method -[SceneController openURLInNewTabWithCommand:]

-[SceneController openURLInNewTabWithCommand:] is not used,
-[SceneController openURLInNewTab:] should be used instead.

Change-Id: I5a650a7e2fe44fd46e8733b2c6dc1dcf8b9511dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2552389Reviewed-by: Mark Cogan <marq@chromium.org>
Commit-Queue: Mark Cogan <marq@chromium.org>
Auto-Submit: Jérôme Lebel <jlebel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#829662}

ios/chrome/browser/ui/main/scene_controller.mm

@@ -2024,10 +2024,6 @@ const char kMultiWindowOpenInNewWindowHistogram[] =
   }
 }
 
-- (void)openURLInNewTabWithCommand:(OpenNewTabCommand*)command {
-  [self openURLInNewTab:command];
-}
-
 - (void)expectNewForegroundTabForMode:(ApplicationMode)targetMode {
   id<BrowserInterface> interface =
       targetMode == ApplicationMode::INCOGNITO

ios/chrome/browser/url_loading/url_loading_browser_agent_unittest.mm

@@ -42,9 +42,6 @@
 
 #pragma mark - URLLoadingBrowserAgentDelegate
 
-- (void)openURLInNewTabWithCommand:(OpenNewTabCommand*)command {
-}
-
 - (void)animateOpenBackgroundTabFromParams:(const UrlLoadParams&)params
                                 completion:(void (^)())completion {
 }