Refactoring of SessionService to get componentized.

chrome/browser/sessions/session_service_test_helper.cc

Index: chrome/browser/sessions/session_service_test_helper.cc
diff --git a/chrome/browser/sessions/session_service_test_helper.cc b/chrome/browser/sessions/session_service_test_helper.cc
index 2c2fc404ba7ff422d190a50781b9beb45bc46939..451d4e64f75bd57c4f4b4e7e48dddc2d08aae9b3 100644
--- a/chrome/browser/sessions/session_service_test_helper.cc
+++ b/chrome/browser/sessions/session_service_test_helper.cc
@@ -60,9 +60,10 @@ void SessionServiceTestHelper::ReadWindows(
     SessionID::id_type* active_window_id) {
   Time last_time;
   ScopedVector<SessionCommand> read_commands;
-  backend()->ReadLastSessionCommandsImpl(&(read_commands.get()));
-  service()->RestoreSessionFromCommands(
-      read_commands.get(), windows, active_window_id);
+  service()->GetBaseSessionServiceForTest()->backend()
+      ->ReadLastSessionCommandsImpl(&read_commands);
+  service()->GetSessionCommandsForTest()->RestoreSessionFromCommands(
+      read_commands, windows, active_window_id);
 }
 
 void SessionServiceTestHelper::AssertTabEquals(const SessionID& window_id,
@@ -103,10 +104,6 @@ void SessionServiceTestHelper::AssertSingleWindowWithSingleTab(
   EXPECT_EQ(nav_count, windows[0]->tabs[0]->navigations.size());
 }
 
-SessionBackend* SessionServiceTestHelper::backend() {
-  return service_->backend();
-}
-
 void SessionServiceTestHelper::SetService(SessionService* service) {
   service_.reset(service);
   // Execute IO tasks posted by the SessionService.
@@ -116,5 +113,6 @@ void SessionServiceTestHelper::SetService(SessionService* service) {
 void SessionServiceTestHelper::RunTaskOnBackendThread(
     const tracked_objects::Location& from_here,
     const base::Closure& task) {
-  service_->RunTaskOnBackendThread(from_here, task);
+  service_->GetBaseSessionServiceForTest()->RunTaskOnBackendThread(from_here,
+                                                                   task);
 }