[ChromeDriver] Implementing tracing support

chrome/test/chromedriver/logging.cc

 // 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.
 
 #include "chrome/test/chromedriver/logging.h"
 
 #include <stdio.h>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 221 matching lines @@
                        false,   // enable_timestamp
                        false);  // enable_tickcount
   logging::SetLogMessageHandler(&HandleLogMessage);
 
   logging::LoggingSettings logging_settings;
   logging_settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
   return logging::InitLogging(logging_settings);
 }
 
 Status CreateLogs(const Capabilities& capabilities,
+                  const Session* session,
                   ScopedVector<WebDriverLog>* out_logs,
                   ScopedVector<DevToolsEventListener>* out_devtools_listeners,
                   ScopedVector<CommandListener>* out_command_listeners) {
   ScopedVector<WebDriverLog> logs;
   ScopedVector<DevToolsEventListener> devtools_listeners;
   ScopedVector<CommandListener> command_listeners;
   Log::Level browser_log_level = Log::kWarning;
   const LoggingPrefs& prefs = capabilities.logging_prefs;
 
   for (LoggingPrefs::const_iterator iter = prefs.begin();
        iter != prefs.end();
        ++iter) {
     std::string type = iter->first;
     Log::Level level = iter->second;
     if (type == WebDriverLog::kPerformanceType) {
       if (level != Log::kOff) {
         WebDriverLog* log = new WebDriverLog(type, Log::kAll);
         logs.push_back(log);
         PerformanceLogger* perf_log =
-            new PerformanceLogger(log, capabilities.perf_logging_prefs);
+            new PerformanceLogger(log, session,
+                                  capabilities.perf_logging_prefs);
         // We use a proxy for |perf_log|'s |CommandListener| interface.
         // Otherwise, |perf_log| would be owned by both session->chrome and
         // |session|, which would lead to memory errors on destruction.
         // session->chrome will own |perf_log|, and |session| will own |proxy|.
         // session->command_listeners (the proxy) will be destroyed first.
         CommandListenerProxy* proxy = new CommandListenerProxy(perf_log);
         devtools_listeners.push_back(perf_log);
         command_listeners.push_back(proxy);
       }
     } else if (type == WebDriverLog::kBrowserType) {
@@ skipping 11 matching lines @@
   logs.push_back(browser_log);
   // If the level is OFF, don't even bother listening for DevTools events.
   if (browser_log_level != Log::kOff)
     devtools_listeners.push_back(new ConsoleLogger(browser_log));
 
   out_logs->swap(logs);
   out_devtools_listeners->swap(devtools_listeners);
   out_command_listeners->swap(command_listeners);
   return Status(kOk);
 }