[ChromeDriver] Implementing tracing support

chrome/test/chromedriver/logging.h

 // Copyright (c) 2013 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 CHROME_TEST_CHROMEDRIVER_LOGGING_H_
 #define CHROME_TEST_CHROMEDRIVER_LOGGING_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
 #include "chrome/test/chromedriver/chrome/log.h"
 
 struct Capabilities;
 class CommandListener;
 class DevToolsEventListener;
 class ListValue;
+struct Session;
 class Status;
 
 // Accumulates WebDriver Logging API entries of a given type and minimum level.
 // See https://code.google.com/p/selenium/wiki/Logging.
 class WebDriverLog : public Log {
  public:
   static const char kBrowserType[];
   static const char kDriverType[];
   static const char kPerformanceType[];
 
@@ skipping 31 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(WebDriverLog);
 };
 
 // Initializes logging system for ChromeDriver. Returns true on success.
 bool InitLogging();
 
 // Creates |Log|s, |DevToolsEventListener|s, and |CommandListener|s based on
 // logging preferences.
 Status CreateLogs(const Capabilities& capabilities,
+                  const Session* session,
                   ScopedVector<WebDriverLog>* out_logs,
                   ScopedVector<DevToolsEventListener>* out_devtools_listeners,
                   ScopedVector<CommandListener>* out_command_listeners);
 
 #endif  // CHROME_TEST_CHROMEDRIVER_LOGGING_H_