Add a NavigationThrottle to the public content/ interface

content/browser/loader/navigation_url_loader_unittest.cc

 // Copyright 2014 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.
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "content/browser/frame_host/navigation_request_info.h"
@@ skipping 81 matching lines @@
     request_failed_.reset();
   }
 
   void ReleaseBody() {
     body_.reset();
   }
 
   // NavigationURLLoaderDelegate implementation.
   void OnRequestRedirected(
       const net::RedirectInfo& redirect_info,
-      const scoped_refptr<ResourceResponse>& response) override {
+      const scoped_refptr<ResourceResponse>& response,
+      bool is_external_protocol) override {
     redirect_info_ = redirect_info;
     redirect_response_ = response;
     ASSERT_TRUE(request_redirected_);
     request_redirected_->Quit();
   }
 
   void OnResponseStarted(const scoped_refptr<ResourceResponse>& response,
                          scoped_ptr<StreamHandle> body) override {
     response_ = response;
     body_ = body.Pass();
@@ skipping 280 matching lines @@
 
   // Release the body.
   delegate.ReleaseBody();
   base::RunLoop().RunUntilIdle();
 
   // Verify that URLRequestTestJob no longer has anything paused.
   EXPECT_FALSE(net::URLRequestTestJob::ProcessOnePendingMessage());
 }
 
 }  // namespace content