Set user agent type of transient item the same as pending item.

ios/web/public/test/web_test_with_web_state.h

Index: ios/web/public/test/web_test_with_web_state.h
diff --git a/ios/web/public/test/web_test_with_web_state.h b/ios/web/public/test/web_test_with_web_state.h
index b167056f398810c4538c4f91c8b2ff65a5f34798..ca32858e7099ff903510336a49e88d044d09bd2d 100644
--- a/ios/web/public/test/web_test_with_web_state.h
+++ b/ios/web/public/test/web_test_with_web_state.h
@@ -8,6 +8,7 @@
 #import "base/ios/block_types.h"
 #include "base/message_loop/message_loop.h"
 #include "ios/web/public/test/web_test.h"
+#include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
 namespace web {
@@ -49,6 +50,9 @@ class WebTestWithWebState : public WebTest,
   web::WebState* web_state();
   const web::WebState* web_state() const;
 
+  // Adds a pending item to the NavigationManager associated with the WebState.
+  void AddPendingItem(const GURL& url, ui::PageTransition transition);

[Eugene But (OOO till 7-30), 2017/04/04 18:22:31]

Could you please move this closer to LoadHtml. These seems more related that
AddPendingItem() and web_state()

[liaoyuke, 2017/04/04 21:15:40]

Done.

+
  private:
   // base::MessageLoop::TaskObserver overrides.
   void WillProcessTask(const base::PendingTask& pending_task) override;