[WIP] make GURL::path() return a StringPiece

chrome/browser/devtools/device/port_forwarding_browsertest.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/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 74 matching lines @@
 
   device_providers.push_back(
       TCPDeviceProvider::CreateForLocalhost(kDefaultDebuggingPort));
   DevToolsAndroidBridge::Factory::GetForProfile(profile)->
       set_device_providers_for_test(device_providers);
 
   ASSERT_TRUE(embedded_test_server()->Start());
   GURL original_url = embedded_test_server()->GetURL(kPortForwardingTestPage);
 
   std::string forwarding_port("8000");
-  GURL forwarding_url(original_url.scheme() + "://" +
-      original_url.host() + ":" + forwarding_port + original_url.path());
+  GURL forwarding_url(original_url.scheme() + "://" + original_url.host() +
+                      ":" + forwarding_port + original_url.path().as_string());
 
   PrefService* prefs = profile->GetPrefs();
   prefs->SetBoolean(prefs::kDevToolsPortForwardingEnabled, true);
 
   base::DictionaryValue config;
   config.SetString(
       forwarding_port, original_url.host() + ":" + original_url.port());
   prefs->Set(prefs::kDevToolsPortForwardingConfig, config);
 
   Listener wait_for_port_forwarding(profile);
@@ skipping 49 matching lines @@
       TCPDeviceProvider::CreateForLocalhost(kAlternativeDebuggingPort));
   device_providers.push_back(self_provider);
 
   DevToolsAndroidBridge::Factory::GetForProfile(profile)->
       set_device_providers_for_test(device_providers);
 
   ASSERT_TRUE(embedded_test_server()->Start());
   GURL original_url = embedded_test_server()->GetURL(kPortForwardingTestPage);
 
   std::string forwarding_port("8000");
-  GURL forwarding_url(original_url.scheme() + "://" +
-      original_url.host() + ":" + forwarding_port + original_url.path());
+  GURL forwarding_url(original_url.scheme() + "://" + original_url.host() +
+                      ":" + forwarding_port + original_url.path().as_string());
 
   PrefService* prefs = profile->GetPrefs();
   prefs->SetBoolean(prefs::kDevToolsPortForwardingEnabled, true);
 
   base::DictionaryValue config;
   config.SetString(
       forwarding_port, original_url.host() + ":" + original_url.port());
   prefs->Set(prefs::kDevToolsPortForwardingConfig, config);
 
   std::unique_ptr<Listener> wait_for_port_forwarding(new Listener(profile));
   content::RunMessageLoop();
 
   base::RunLoop run_loop;
 
   self_provider->set_release_callback_for_test(
       base::Bind(base::IgnoreResult(&base::SingleThreadTaskRunner::PostTask),
                  base::ThreadTaskRunnerHandle::Get(), FROM_HERE,
                  run_loop.QuitWhenIdleClosure()));
   wait_for_port_forwarding.reset();
 
   content::RunThisRunLoop(&run_loop);
 }