Introduce the ThrottleManager

content/public/test/navigation_simulator.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_TEST_NAVIGATION_SIMULATOR_H_
 #define CONTENT_PUBLIC_TEST_NAVIGATION_SIMULATOR_H_
 
 #include <memory>
 
 #include "base/callback.h"
@@ skipping 102 matching lines @@
   // Simulates the navigation failing with the error code |error_code|.
   virtual void Fail(int error_code);
 
   // Simulates the commit of an error page following a navigation failure.
   virtual void CommitErrorPage();
 
   // Simulates the commit of a same-page navigation, ie fragment navigations or
   // pushState/popState navigations.
   virtual void CommitSamePage();
 
+  // Must be called after the simulated navigation commits. Returns the render

[clamy, 2017/03/20 15:50:10]

I would rephrase that as "Must be called after the simulated navigation or an
error page has committed. Returns the RenderFrameHost the navigation committed
in."

[Charlie Harrison, 2017/03/20 16:34:04]

Done.

+  // frame host the navigation commit in.
+  virtual RenderFrameHost* GetFinalRenderFrameHost();
+
   // --------------------------------------------------------------------------
 
   // The following functions are used to specify the parameters of the
   // navigation. Changes should be  made before calling |Start|, unless they are
   // meant to apply to a redirect. In that case, they should be made before
   // calling |Redirect|.
 
   // The following parameters are constant during the navigation and may only be
   // specified before calling |Start|.
   virtual void SetTransition(ui::PageTransition transition);
@@ skipping 67 matching lines @@
 
   // Closure that is set when WaitForThrottleChecksComplete is called.
   base::Closure throttle_checks_wait_closure_;
 
   base::WeakPtrFactory<NavigationSimulator> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_NAVIGATION_SIMULATOR_H_