[Sync] Move //components/sync to the syncer namespace.

components/sync/driver/system_encryptor.h

Index: components/sync/driver/system_encryptor.h
diff --git a/components/sync/driver/system_encryptor.h b/components/sync/driver/system_encryptor.h
index 7ddac13b9506f3df7213b16ec8b78127503d8dee..4b7aceca1ba9612768c720f52662d692da3dd8f3 100644
--- a/components/sync/driver/system_encryptor.h
+++ b/components/sync/driver/system_encryptor.h
@@ -10,10 +10,10 @@
 #include "base/compiler_specific.h"
 #include "components/sync/base/encryptor.h"
 
-namespace sync_driver {
+namespace syncer {
 
 // Encryptor that uses the Chrome password manager's encryptor.
-class SystemEncryptor : public syncer::Encryptor {
+class SystemEncryptor : public Encryptor {
  public:
   ~SystemEncryptor() override;
 
@@ -24,6 +24,6 @@ class SystemEncryptor : public syncer::Encryptor {
                      std::string* plaintext) override;
 };
 
-}  // namespace sync_driver
+}  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_DRIVER_SYSTEM_ENCRYPTOR_H_