[ChromeDriver] Implementing tracing support

chrome/test/chromedriver/logging.h

Index: chrome/test/chromedriver/logging.h
diff --git a/chrome/test/chromedriver/logging.h b/chrome/test/chromedriver/logging.h
index 78e0aba4b083d82379bca16539c1dcdb27e80372..32b3f8af9dd5b2be303772f43f5666294f023f6b 100644
--- a/chrome/test/chromedriver/logging.h
+++ b/chrome/test/chromedriver/logging.h
@@ -17,6 +17,7 @@ struct Capabilities;
 class CommandListener;
 class DevToolsEventListener;
 class ListValue;
+struct Session;
 class Status;
 
 // Accumulates WebDriver Logging API entries of a given type and minimum level.
@@ -68,6 +69,7 @@ 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);