[Sync] Refactor GetEncryptedTypes usage.

sync/internal_api/public/test/test_user_share.h

Index: sync/internal_api/public/test/test_user_share.h
diff --git a/sync/internal_api/public/test/test_user_share.h b/sync/internal_api/public/test/test_user_share.h
index ea811a1750b657d17e7724990da6fc07ba10d1c5..5322d909615f411b43852af82e9e24ea7742ee63 100644
--- a/sync/internal_api/public/test/test_user_share.h
+++ b/sync/internal_api/public/test/test_user_share.h
@@ -35,6 +35,8 @@
 
 namespace syncer {
 
+class SyncEncryptionHandler;
+
 class TestDirectorySetterUpper;
 
 class TestUserShare {
@@ -55,6 +57,10 @@ class TestUserShare {
   // Non-NULL iff called between a call to SetUp() and TearDown().
   UserShare* user_share();
 
+  // Sync's encryption handler. Used by tests to invoke the sync encryption
+  // methods normally handled via the SyncBackendHost
+  SyncEncryptionHandler* encryption_handler();
+
  private:
   scoped_ptr<TestDirectorySetterUpper> dir_maker_;
   scoped_ptr<UserShare> user_share_;