Revert 88492 - In chromedriver, add /log url to get the contents of the chromedriver log

chrome/test/webdriver/utility_functions.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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_UTILITY_FUNCTIONS_H_
 #define CHROME_TEST_WEBDRIVER_UTILITY_FUNCTIONS_H_
 
 #include <string>
 
+#include "base/values.h"
+
 namespace webdriver {
 
+// Converts a value type to a string for logging.
+std::string print_valuetype(Value::ValueType e);
+
+// Checks that a value has the expected type.
+void CheckValueType(const Value::ValueType expected, const Value* const actual);
+
+// Attempts to parse a |json| string into a valid dictionary. If the parse
+// operation fails, the offending |error| will be reported to the user and the
+// function will return false. The caller is responsible for the allocated
+// memory in |dict|.
+bool ParseJSONDictionary(const std::string& json, DictionaryValue** dict,
+                         std::string* error);
+
 // Generates a random, 32-character hexidecimal ID.
 std::string GenerateRandomID();
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_UTILITY_FUNCTIONS_H_