[Sync] Refactor GetEncryptedTypes usage.

sync/internal_api/public/test/test_user_share.h

 // Copyright (c) 2012 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.
 //
 // A handy class that takes care of setting up and destroying a
 // UserShare instance for unit tests that require one.
 //
 // The expected usage is to make this a component of your test fixture:
 //
 //   class AwesomenessTest : public testing::Test {
@@ skipping 17 matching lines @@
 //
 
 #ifndef SYNC_INTERNAL_API_PUBLIC_TEST_TEST_USER_SHARE_H_
 #define SYNC_INTERNAL_API_PUBLIC_TEST_TEST_USER_SHARE_H_
 
 #include "base/basictypes.h"
 #include "sync/internal_api/public/user_share.h"
 
 namespace syncer {
 
+class SyncEncryptionHandler;
+
 class TestDirectorySetterUpper;
 
 class TestUserShare {
  public:
   TestUserShare();
   ~TestUserShare();
 
   // Sets up the UserShare instance.  Clears any existing database
   // backing files that might exist on disk.
   void SetUp();
 
   // Undo everything done by SetUp(): closes the UserShare and deletes
   // the backing files. Before closing the directory, this will run
   // the directory invariant checks and perform the SaveChanges action
   // on the user share's directory.
   void TearDown();
 
   // 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_;
 
   DISALLOW_COPY_AND_ASSIGN(TestUserShare);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_TEST_TEST_USER_SHARE_H_