AutoFill credit cards should be obfuscated on Linux

chrome/browser/password_manager/encryptor_unittest.cc

 // 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.
 
 #include "chrome/browser/password_manager/encryptor.h"
 
 #include <string>
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 79 matching lines @@
   ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));
   EXPECT_EQ(plaintext, result);
 
   // Make sure it null terminates.
   plaintext.assign("hello", 3);
   ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));
   ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));
   EXPECT_EQ(plaintext, "hel");
 }
 
-// Encryption currently only enabled on Mac and Windows.
-// TODO(dhollowa): http://crbug.com/49115 Implement secure store on Linux.
-#if defined(OS_WIN) || defined(OS_MACOSX)
 TEST_F(EncryptorTest, CypherTextDiffers) {
   std::string plaintext;
   std::string result;
   std::string ciphertext;
 
   // Test borderline cases (empty strings).
   ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));
   ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));
   // |cyphertext| is empty on the Mac, different on Windows.
   EXPECT_TRUE(ciphertext.empty() || plaintext != ciphertext);
@@ skipping 17 matching lines @@
 TEST_F(EncryptorTest, DecryptError) {
   std::string plaintext;
   std::string result;
   std::string ciphertext;
 
   // Test a simple string, messing with ciphertext prior to decrypting.
   plaintext = "hello";
   ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));
   EXPECT_NE(plaintext, ciphertext);
   ASSERT_LT(4UL, ciphertext.size());
-  ciphertext[3] = ciphertext[0] + 1;
+  ciphertext[3] = ciphertext[3] + 1;
   EXPECT_FALSE(Encryptor::DecryptString(ciphertext, &result));
   EXPECT_NE(plaintext, result);
   EXPECT_TRUE(result.empty());
 }
-#endif
 
 }  // namespace