Tracing for NavigationHandle lifetime and state.

content/browser/frame_host/navigation_handle_impl_unittest.cc

 // Copyright 2015 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/macros.h"
 #include "content/browser/frame_host/navigation_handle_impl.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "content/public/browser/ssl_status.h"
 #include "content/public/common/request_context_type.h"
 #include "content/test/test_render_frame_host.h"
@@ skipping 25 matching lines @@
   NavigationThrottle::ThrottleCheckResult WillRedirectRequest() override {
     ++will_redirect_calls_;
     return result_;
   }
 
   NavigationThrottle::ThrottleCheckResult WillProcessResponse() override {
     ++will_process_response_calls_;
     return result_;
   }
 
+  const char* GetNameForLogging() override { return "TestNavigationThrottle"; }
+
   int will_start_calls() const { return will_start_calls_; }
   int will_redirect_calls() const { return will_redirect_calls_; }
   int will_process_response_calls() const {
     return will_process_response_calls_;
   }
 
  private:
   // The result returned by the TestNavigationThrottle.
   NavigationThrottle::ThrottleCheckResult result_;
 
@@ skipping 672 matching lines @@
   EXPECT_EQ(NavigationThrottle::BLOCK_RESPONSE, callback_result());
   EXPECT_EQ(0, cancel_throttle->will_start_calls());
   EXPECT_EQ(0, cancel_throttle->will_redirect_calls());
   EXPECT_EQ(1, cancel_throttle->will_process_response_calls());
   EXPECT_EQ(0, proceed_throttle->will_start_calls());
   EXPECT_EQ(0, proceed_throttle->will_redirect_calls());
   EXPECT_EQ(0, proceed_throttle->will_process_response_calls());
 }
 
 }  // namespace content