[Password Generation] Start using pronouncable passwords

components/autofill/core/browser/password_generator.h

 // Copyright 2013 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 COMPONENTS_AUTOFILL_CORE_BROWSER_PASSWORD_GENERATOR_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_PASSWORD_GENERATOR_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 
 namespace autofill {
 
 // Class to generate random passwords. Currently we just use a generic algorithm
 // for all sites, but eventually we can incorporate additional information to
 // determine passwords that are likely to be accepted (i.e. use pattern field,
 // previous generated passwords, crowdsourcing, etc.)
 class PasswordGenerator {
  public:
   // |max_length| is used as a hint for the generated password's length.
   explicit PasswordGenerator(int max_length);
   ~PasswordGenerator();
 
   // Returns a random password such that:
   // (1) Each character is guaranteed to be a non-whitespace printable ASCII
   //     character.
   // (2) The generated password will contain AT LEAST one upper case letter, one
-  //     lower case letter, one digit, and EXACTLY one other symbol.
+  //     lower case letter, and one digit.
   // (3) The password length will be equal to |password_length_| (see comment
   //     for the constructor).
   // Not thread safe.
   std::string Generate() const;
 
  private:
   // Unit test also need to access |kDefaultPasswordLength|.
   static const int kDefaultPasswordLength;
   FRIEND_TEST_ALL_PREFIXES(PasswordGeneratorTest, PasswordLength);
 
   // The length of the generated password.
   const int password_length_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordGenerator);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PASSWORD_GENERATOR_H_