[Sync] Made some sync session member functions const

chrome/browser/sync/engine/verify_updates_command_unittest.cc

 // Copyright (c) 2011 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.
 
 #include "base/location.h"
 #include "chrome/browser/sync/engine/verify_updates_command.h"
 #include "chrome/browser/sync/protocol/bookmark_specifics.pb.h"
 #include "chrome/browser/sync/sessions/sync_session.h"
 #include "chrome/browser/sync/syncable/directory_manager.h"
 #include "chrome/browser/sync/syncable/syncable.h"
@@ skipping 63 matching lines @@
 };
 
 TEST_F(VerifyUpdatesCommandTest, AllVerified) {
   string root = syncable::GetNullId().GetServerId();
 
   CreateLocalItem("b1", root, syncable::BOOKMARKS);
   CreateLocalItem("b2", root, syncable::BOOKMARKS);
   CreateLocalItem("p1", root, syncable::PREFERENCES);
   CreateLocalItem("a1", root, syncable::AUTOFILL);
 
-  GetUpdatesResponse* updates = session()->status_controller()->
+  GetUpdatesResponse* updates = session()->mutable_status_controller()->
       mutable_updates_response()->mutable_get_updates();
   AddUpdate(updates, "b1", root, syncable::BOOKMARKS);
   AddUpdate(updates, "b2", root, syncable::BOOKMARKS);
   AddUpdate(updates, "p1", root, syncable::PREFERENCES);
   AddUpdate(updates, "a1", root, syncable::AUTOFILL);
 
   command_.ExecuteImpl(session());
 
-  StatusController* status = session()->status_controller();
+  StatusController* status = session()->mutable_status_controller();
   {
     sessions::ScopedModelSafeGroupRestriction r(status, GROUP_UI);
-    EXPECT_EQ(3, status->update_progress().VerifiedUpdatesSize());
+    ASSERT_TRUE(status->update_progress());
+    EXPECT_EQ(3, status->update_progress()->VerifiedUpdatesSize());
   }
   {
     sessions::ScopedModelSafeGroupRestriction r(status, GROUP_DB);
-    EXPECT_EQ(1, status->update_progress().VerifiedUpdatesSize());
+    ASSERT_TRUE(status->update_progress());
+    EXPECT_EQ(1, status->update_progress()->VerifiedUpdatesSize());
   }
   {
     sessions::ScopedModelSafeGroupRestriction r(status, GROUP_PASSIVE);
-    EXPECT_EQ(0, status->update_progress().VerifiedUpdatesSize());
+    EXPECT_FALSE(status->update_progress());
   }
 }
 
 }