[chromedriver] Add chrome.detach option for configuring Chrome not to quit

chrome/test/webdriver/webdriver_error.h

 // Copyright (c) 2011 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_ERROR_H_
 #define CHROME_TEST_WEBDRIVER_WEBDRIVER_ERROR_H_
 #pragma once
 
 #include <string>
 
@@ skipping 31 matching lines @@
 class Error {
  public:
   explicit Error(ErrorCode code);
 
   Error(ErrorCode code, const std::string& details);
 
   virtual ~Error();
 
   void AddDetails(const std::string& details);
 
-  std::string GetMessage() const;
+  std::string GetErrorMessage() const;
 
   ErrorCode code() const;
   const std::string& details() const;
   const base::debug::StackTrace& trace() const;
 
  private:
   ErrorCode code_;
   std::string details_;
   base::debug::StackTrace trace_;
 
   DISALLOW_COPY_AND_ASSIGN(Error);
 };
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_WEBDRIVER_ERROR_H_