Fix broken test.

mojo/services/public/cpp/view_manager/tests/node_unittest.cc

 // Copyright 2014 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 "mojo/services/public/cpp/view_manager/node.h"
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "mojo/services/public/cpp/view_manager/lib/node_private.h"
 #include "mojo/services/public/cpp/view_manager/node_observer.h"
@@ skipping 331 matching lines @@
   }
 
   Changes GetAndClearChanges() {
     Changes changes;
     changes_.swap(changes);
     return changes;
   }
 
  private:
   // Overridden from NodeObserver:
+  virtual void OnNodeReordering(Node* node,
+                                Node* relative_node,
+                                OrderDirection direction) OVERRIDE {
+    OnNodeReordered(node, relative_node, direction);
+  }
+
   virtual void OnNodeReordered(Node* node,
                                Node* relative_node,
                                OrderDirection direction) OVERRIDE {
     Change change;
     change.node = node;
     change.relative_node = relative_node;
     change.direction = direction;
     changes_.push_back(change);
   }
 
@@ skipping 169 matching lines @@
         "node=0,1 old_bounds=0,0 0x0 new_bounds=0,0 100x100 phase=changing",
         changes[0]);
     EXPECT_EQ(
         "node=0,1 old_bounds=0,0 0x0 new_bounds=0,0 100x100 phase=changed",
         changes[1]);
   }
 }
 
 }  // namespace view_manager
 }  // namespace mojo