[Sync] Move keystore key handling to SyncEncryptionHandlerImpl

sync/util/cryptographer.cc

Index: sync/util/cryptographer.cc
diff --git a/sync/util/cryptographer.cc b/sync/util/cryptographer.cc
index 92f97954fa0e741fe1368ebd6ad021448f775ee8..1c9684d16a362da422f7b48c6043af492f422c6f 100644
--- a/sync/util/cryptographer.cc
+++ b/sync/util/cryptographer.cc
@@ -23,8 +23,7 @@ const char kNigoriKeyName[] = "nigori-key";
 
 Cryptographer::Cryptographer(Encryptor* encryptor)
     : encryptor_(encryptor),
-      default_nigori_(NULL),
-      keystore_nigori_(NULL) {
+      default_nigori_(NULL) {
   DCHECK(encryptor);
 }
 
@@ -39,19 +38,7 @@ void Cryptographer::Bootstrap(const std::string& restored_bootstrap_token) {
 
   scoped_ptr<Nigori> nigori(UnpackBootstrapToken(restored_bootstrap_token));
   if (nigori.get())
-    AddKeyImpl(nigori.release(), false);
-}
-
-void Cryptographer::BootstrapKeystoreKey(
-    const std::string& restored_bootstrap_token) {
-  if (keystore_nigori_) {
-    NOTREACHED();
-    return;
-  }
-
-  scoped_ptr<Nigori> nigori(UnpackBootstrapToken(restored_bootstrap_token));
-  if (nigori.get())
-    AddKeyImpl(nigori.release(), true);
+    AddKeyImpl(nigori.release());
 }
 
 bool Cryptographer::CanDecrypt(const sync_pb::EncryptedData& data) const {
@@ -147,7 +134,7 @@ bool Cryptographer::AddKey(const KeyParams& params) {
     NOTREACHED();  // Invalid username or password.
     return false;
   }
-  return AddKeyImpl(nigori.release(), false);
+  return AddKeyImpl(nigori.release());
 }
 
 bool Cryptographer::AddKeyFromBootstrapToken(
@@ -156,11 +143,10 @@ bool Cryptographer::AddKeyFromBootstrapToken(
   scoped_ptr<Nigori> nigori(UnpackBootstrapToken(restored_bootstrap_token));
   if (!nigori.get())
     return false;
-  return AddKeyImpl(nigori.release(), false);
+  return AddKeyImpl(nigori.release());
 }
 
-bool Cryptographer::AddKeyImpl(Nigori* initialized_nigori,
-                               bool is_keystore_key) {
+bool Cryptographer::AddKeyImpl(Nigori* initialized_nigori) {
   scoped_ptr<Nigori> nigori(initialized_nigori);
   std::string name;
   if (!nigori->Permute(Nigori::Password, kNigoriKeyName, &name)) {
@@ -168,10 +154,7 @@ bool Cryptographer::AddKeyImpl(Nigori* initialized_nigori,
     return false;
   }
   nigoris_[name] = make_linked_ptr(nigori.release());
-  if (is_keystore_key)
-    keystore_nigori_ = &*nigoris_.find(name);
-  else
-    default_nigori_ = &*nigoris_.find(name);
+  default_nigori_ = &*nigoris_.find(name);
   return true;
 }
 
@@ -234,15 +217,6 @@ bool Cryptographer::GetBootstrapToken(std::string* token) const {
   return PackBootstrapToken(default_nigori_->second.get(), token);
 }
 
-bool Cryptographer::GetKeystoreKeyBootstrapToken(
-    std::string* token) const {
-  DCHECK(token);
-  if (!HasKeystoreKey())
-    return false;
-
-  return PackBootstrapToken(keystore_nigori_->second.get(), token);
-}
-
 bool Cryptographer::PackBootstrapToken(const Nigori* nigori,
                                        std::string* pack_into) const {
   DCHECK(pack_into);
@@ -307,27 +281,6 @@ Nigori* Cryptographer::UnpackBootstrapToken(const std::string& token) const {
   return nigori.release();
 }
 
-bool Cryptographer::SetKeystoreKey(const std::string& keystore_key) {
-  if (keystore_key.empty())
-    return false;
-  KeyParams params = {"localhost", "dummy", keystore_key};
-
-  // Create the new Nigori and make it the default keystore encryptor.
-  scoped_ptr<Nigori> nigori(new Nigori);
-  if (!nigori->InitByDerivation(params.hostname,
-                                params.username,
-                                params.password)) {
-    NOTREACHED();  // Invalid username or password.
-    return false;
-  }
-
-  return AddKeyImpl(nigori.release(), true);
-}
-
-bool Cryptographer::HasKeystoreKey() const {
-  return keystore_nigori_ != NULL;
-}
-
 void Cryptographer::InstallKeyBag(const sync_pb::NigoriKeyBag& bag) {
   int key_size = bag.key_size();
   for (int i = 0; i < key_size; ++i) {