[ios] Adds LocationBarCoordinator.

ios/shared/chrome/browser/ui/omnibox/location_bar_delegate.h

Index: ios/shared/chrome/browser/ui/omnibox/location_bar_delegate.h
diff --git a/ios/shared/chrome/browser/ui/omnibox/location_bar_delegate.h b/ios/shared/chrome/browser/ui/omnibox/location_bar_delegate.h
index b61567a367fb4330ac86338592877c651bf99886..7c86a1ceeeb313e481fdfb5d7e2f2deeda483883 100644
--- a/ios/shared/chrome/browser/ui/omnibox/location_bar_delegate.h
+++ b/ios/shared/chrome/browser/ui/omnibox/location_bar_delegate.h
@@ -7,12 +7,15 @@
 
 #import <Foundation/Foundation.h>
 
+#include "ui/base/page_transition_types.h"
+
+class GURL;
+class ToolbarModel;
+
 namespace web {
 class WebState;
 }
 
-class ToolbarModel;
-
 // Delegate for LocationBarController objects.  Used to provide the location bar
 // a way to open URLs and otherwise interact with the browser.
 @protocol LocationBarDelegate