MD5Update function uses StringPiece instead of raw buffer.

chrome/browser/sync/util/user_settings.cc

 // 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.
 //
 // This class isn't pretty. It's just a step better than globals, which is what
 // these were previously.
 
 #include "chrome/browser/sync/util/user_settings.h"
 
 #include "build/build_config.h"
@@ skipping 339 matching lines @@
 
 void UserSettings::StoreHashedPassword(const string& email,
                                        const string& password) {
   // Save one-way hashed password:
   char binary_salt[kSaltSize];
   base::RandBytes(binary_salt, sizeof(binary_salt));
 
   const string salt = APEncode(string(binary_salt, sizeof(binary_salt)));
   base::MD5Context md5_context;
   base::MD5Init(&md5_context);
-  base::MD5Update(&md5_context, salt.data(), salt.size());
-  base::MD5Update(&md5_context, password.data(), password.size());
+  base::MD5Update(&md5_context, salt);
+  base::MD5Update(&md5_context, password);
   base::MD5Digest md5_digest;
   base::MD5Final(&md5_digest, &md5_context);
 
   ScopedDBHandle dbhandle(this);
   SQLTransaction transaction(dbhandle.get());
   transaction.BeginExclusive();
   {
     SQLStatement statement;
     statement.prepare(dbhandle.get(),
                       "INSERT INTO settings(email, key, value)"
@@ skipping 41 matching lines @@
       salt = query.column_string(1);
     else
       hash = query.column_int(1);
     query_result = query.step();
   }
   CHECK(SQLITE_DONE == query_result);
   if (salt.empty() || hash == kInvalidHash)
     return false;
   base::MD5Context md5_context;
   base::MD5Init(&md5_context);
-  base::MD5Update(&md5_context, salt.data(), salt.size());
-  base::MD5Update(&md5_context, password.data(), password.size());
+  base::MD5Update(&md5_context, salt);
+  base::MD5Update(&md5_context, password);
   base::MD5Digest md5_digest;
   base::MD5Final(&md5_digest, &md5_context);
   return hash == GetHashFromDigest(md5_digest);
 }
 
 void UserSettings::SwitchUser(const string& username) {
   {
     base::AutoLock lock(mutex_);
     email_ = username;
   }
@@ skipping 21 matching lines @@
   query.prepare(dbhandle.get(), "SELECT email FROM cookies");
   if (SQLITE_ROW == query.step()) {
     *username = query.column_string(0);
     return true;
   } else {
     return false;
   }
 }
 
 }  // namespace browser_sync