Warn on missing OVERRIDE/virtual everywhere, not just in header files.

dbus/object_manager_unittest.cc

 // Copyright (c) 2013 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 "dbus/object_manager.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 95 matching lines @@
     test_service_->Stop();
   }
 
   void MethodCallback(dbus::Response* response) {
     method_callback_called_ = true;
     message_loop_.Quit();
   }
 
 protected:
   // Called when an object is added.
-  void ObjectAdded(const dbus::ObjectPath& object_path,
-                   const std::string& interface_name) OVERRIDE {
+ virtual void ObjectAdded(const dbus::ObjectPath& object_path,
+                          const std::string& interface_name) OVERRIDE {
     added_objects_.push_back(std::make_pair(object_path, interface_name));
     message_loop_.Quit();
   }
 
   // Called when an object is removed.
-  void ObjectRemoved(const dbus::ObjectPath& object_path,
-                     const std::string& interface_name) OVERRIDE {
+  virtual void ObjectRemoved(const dbus::ObjectPath& object_path,
+                             const std::string& interface_name) OVERRIDE {
     removed_objects_.push_back(std::make_pair(object_path, interface_name));
     message_loop_.Quit();
   }
 
   // Called when a property value is updated.
   void OnPropertyChanged(const dbus::ObjectPath& object_path,
                          const std::string& name) {
     updated_properties_.push_back(name);
     message_loop_.Quit();
   }
@@ skipping 195 matching lines @@
 
   object_paths = object_manager_->GetObjects();
   ASSERT_EQ(1U, object_paths.size());
   EXPECT_EQ(dbus::ObjectPath("/org/chromium/TestObject"), object_paths[0]);
 
   object_paths =
       object_manager_->GetObjectsWithInterface("org.chromium.TestInterface");
   ASSERT_EQ(1U, object_paths.size());
   EXPECT_EQ(dbus::ObjectPath("/org/chromium/TestObject"), object_paths[0]);
 }