[iOS] Refactoring web CRWSessionController user agent code.

ios/web/public/navigation_manager.h

Index: ios/web/public/navigation_manager.h
diff --git a/ios/web/public/navigation_manager.h b/ios/web/public/navigation_manager.h
index f3e106dcba6f44cfdc9a75fd19ffc1dd53c25696..26053ef5978cc9d176934556e611df5e024a713b 100644
--- a/ios/web/public/navigation_manager.h
+++ b/ios/web/public/navigation_manager.h
@@ -148,6 +148,11 @@ class NavigationManager {
   // reload the page. In nearly all cases pass in true.  If a transient item is
   // showing, initiates a new navigation to its URL.
   virtual void Reload(bool check_for_repost) = 0;
+
+  // Forces the pending item to be loaded using desktop user agent. Note that
+  // the pending item may or may not already exist.
+  // Removes this method once crbug.com/692303 is fixed.

[kkhorimoto, 2017/02/15 23:02:06]

Please reformat this comment as a todo:

TODO(crbug.com/692303): Remove this when overriding the user agent doesn't
create a new NavigationItem.

[liaoyuke, 2017/02/16 01:49:05]

Done.

+  virtual void OverrideDesktopUserAgentForNextPendingItem() = 0;
 };
 
 }  // namespace web