Move *keychain_mac* files to crypto/

chrome/browser/password_manager/encryptor_password_mac.h

Index: chrome/browser/password_manager/encryptor_password_mac.h
diff --git a/chrome/browser/password_manager/encryptor_password_mac.h b/chrome/browser/password_manager/encryptor_password_mac.h
index 7d58e32b6143156808797763a60549f3d2dc58cc..002163c6a34a2d133d2ca8b4877e4ed45a42eba6 100644
--- a/chrome/browser/password_manager/encryptor_password_mac.h
+++ b/chrome/browser/password_manager/encryptor_password_mac.h
@@ -10,11 +10,13 @@
 
 #include "base/basictypes.h"
 
+namespace crypto {
 class MacKeychain;
+}  // namespace crypto
 
 class EncryptorPassword {
  public:
-  explicit EncryptorPassword(const MacKeychain& keychain)
+  explicit EncryptorPassword(const crypto::MacKeychain& keychain)
       : keychain_(keychain) {
   }
 
@@ -28,7 +30,7 @@ class EncryptorPassword {
 
  private:
   DISALLOW_COPY_AND_ASSIGN(EncryptorPassword);
-  const MacKeychain& keychain_;
+  const crypto::MacKeychain& keychain_;
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_ENCRYPTOR_PASSWORD_H__