Introduce NavigationSimulator to use in unit tests

content/public/test/test_renderer_host.h

 // Copyright (c) 2012 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_TEST_RENDERER_HOST_H_
 #define CONTENT_PUBLIC_TEST_TEST_RENDERER_HOST_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 58 matching lines @@
 
   // Gives tests access to RenderFrameHostImpl::OnCreateChild. The returned
   // RenderFrameHost is owned by the parent RenderFrameHost.
   virtual RenderFrameHost* AppendChild(const std::string& frame_name) = 0;
 
   // Gives tests access to RenderFrameHostImpl::OnDetach. Destroys |this|.
   virtual void Detach() = 0;
 
   // Simulates a renderer-initiated navigation to |url| starting in the
   // RenderFrameHost.
+  // DEPRECATED: use NavigationSimulator instead.
   virtual void SimulateNavigationStart(const GURL& url) = 0;
 
   // Simulates a redirect to |new_url| for the navigation in the
   // RenderFrameHost.
+  // Note: this is deprecated for simulating renderer-initiated navigations. Use
+  // NavigationSimulator instead.
   virtual void SimulateRedirect(const GURL& new_url) = 0;
 
   // Simulates a navigation to |url| committing in the RenderFrameHost.
+  // Note: this is deprecated for simulating renderer-initiated navigations. Use
+  // NavigationSimulator instead.
   virtual void SimulateNavigationCommit(const GURL& url) = 0;
 
   // Simulates a navigation to |url| failing with the error code |error_code|.
+  // Note: this is deprecated for simulating renderer-initiated navigations. Use
+  // NavigationSimulator instead.
   virtual void SimulateNavigationError(const GURL& url, int error_code) = 0;
 
   // Simulates the commit of an error page following a navigation failure.
+  // Note: this is deprecated for simulating renderer-initiated navigations. Use
+  // NavigationSimulator instead.
   virtual void SimulateNavigationErrorPageCommit() = 0;
 
   // Simulates a navigation stopping in the RenderFrameHost.
   virtual void SimulateNavigationStop() = 0;
 
   // Calls OnDidCommitProvisionalLoad on the RenderFrameHost with the given
   // information with various sets of parameters. These are helper functions for
   // simulating the most common types of loads.
   //
   // Guidance for calling these:
@@ skipping 182 matching lines @@
 #endif
   std::unique_ptr<RenderViewHostTestEnabler> rvh_test_enabler_;
   RenderProcessHostFactory* factory_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostTestHarness);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEST_RENDERER_HOST_H_