Added classes to enable session sync functionality....

chrome/browser/sync/abstract_profile_sync_service_test.h

Index: chrome/browser/sync/abstract_profile_sync_service_test.h
===================================================================
--- chrome/browser/sync/abstract_profile_sync_service_test.h	(revision 56023)
+++ chrome/browser/sync/abstract_profile_sync_service_test.h	(working copy)
@@ -16,6 +16,7 @@
 #include "chrome/browser/sync/glue/autofill_model_associator.h"
 #include "chrome/browser/sync/glue/password_model_associator.h"
 #include "chrome/browser/sync/glue/preference_model_associator.h"
+#include "chrome/browser/sync/glue/session_model_associator.h"
 #include "chrome/browser/sync/glue/typed_url_model_associator.h"
 #include "chrome/browser/sync/profile_sync_factory_mock.h"
 #include "chrome/browser/sync/protocol/sync.pb.h"
@@ -33,7 +34,6 @@
 using syncable::BASE_VERSION;
 using syncable::CREATE;
 using syncable::DirectoryManager;
-using syncable::ID;
 using syncable::IS_DEL;
 using syncable::IS_DIR;
 using syncable::IS_UNAPPLIED_UPDATE;
@@ -48,13 +48,11 @@
 using syncable::UNITTEST;
 using syncable::WriteTransaction;
 
-class AbstractProfileSyncServiceTest : public testing::Test {
+class ProfileSyncServiceTestHelper {
  public:
-  AbstractProfileSyncServiceTest()
-      : ui_thread_(ChromeThread::UI, &message_loop_) {}
-
-  bool CreateRoot(ModelType model_type) {
-    UserShare* user_share = service_->backend()->GetUserShareHandle();
+  static bool CreateRoot(ModelType model_type, ProfileSyncService* service,
+                         TestIdFactory* ids) {
+    UserShare* user_share = service->backend()->GetUserShareHandle();
     DirectoryManager* dir_manager = user_share->dir_manager.get();
 
     ScopedDirLookup dir(dir_manager, user_share->authenticated_name);
@@ -78,6 +76,9 @@
       case syncable::TYPED_URLS:
         tag_name = browser_sync::kTypedUrlTag;
         break;
+      case syncable::SESSIONS:
+        tag_name = browser_sync::kSessionsTag;
+        break;
       default:
         return false;
     }
@@ -95,14 +96,25 @@
     node.Put(SERVER_VERSION, 20);
     node.Put(BASE_VERSION, 20);
     node.Put(IS_DEL, false);
-    node.Put(ID, ids_.MakeServer(tag_name));
+    node.Put(syncable::ID, ids->MakeServer(tag_name));
     sync_pb::EntitySpecifics specifics;
     syncable::AddDefaultExtensionValue(model_type, &specifics);
     node.Put(SPECIFICS, specifics);
 
     return true;
   }
+};
 
+class AbstractProfileSyncServiceTest : public testing::Test {
+ public:
+  AbstractProfileSyncServiceTest()
+      : ui_thread_(ChromeThread::UI, &message_loop_) {}
+
+  bool CreateRoot(ModelType model_type) {
+    return ProfileSyncServiceTestHelper::CreateRoot(model_type,
+                                                    service_.get(), &ids_);
+  }
+
  protected:
 
   MessageLoopForUI message_loop_;