Fixing loglevel in chrome driver to accept string rather than an integer.

chrome/test/webdriver/webdriver_logging.h

 // 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.
 
 #ifndef CHROME_TEST_WEBDRIVER_WEBDRIVER_LOGGING_H_
 #define CHROME_TEST_WEBDRIVER_WEBDRIVER_LOGGING_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 12 matching lines @@
 // WebDriver logging levels.
 enum LogLevel {
   kSevereLogLevel = 1000,
   kWarningLogLevel = 900,
   kInfoLogLevel = 800,
   kFineLogLevel = 500,
   kFinerLogLevel = 400,
   kAllLogLevel = -1000
 };
 
+// |name| should be a webdriver log level, such as "INFO", "SEVERE", etc.
+LogLevel LogLevelFromString(const std::string& name);
+
 // Represents a type/source of a WebDriver log.
 class LogType {
  public:
   enum Type {
     kInvalid = -1,
     kDriver,
     kNum  // must be correct
   };
 
   static bool FromString(const std::string& name, LogType* log_type);
@@ skipping 99 matching lines @@
 // Initializes logging for WebDriver. All logging below the given level
 // will be discarded in the global file log. The file log will use the given
 // log path. If the specified log path is empty, the log will write to
 // 'chromedriver.log' in the current working directory, if writeable, or the
 // system temp directory. Returns true on success.
 bool InitWebDriverLogging(const FilePath& log_path, LogLevel min_log_level);
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_WEBDRIVER_LOGGING_H_