Sync: Add DeviceInfo's ChangeProcessor

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 21 matching lines @@
 
 #include "base/basictypes.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/user_share.h"
 
 namespace syncer {
 
 class SyncEncryptionHandler;
 class TestDirectorySetterUpper;
 
+namespace syncable {
+  class TestTransactionObserver;
+}
+
 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();
 
+  // Returns the directory's transaction observer.  This transaction observer
+  // has methods which can be helpful when writing test assertions.
+  syncable::TestTransactionObserver* transaction_observer();
+
   // A helper function to pretend to download this type's root node.
   static bool CreateRoot(syncer::ModelType model_type,
                          syncer::UserShare* service);
 
  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_