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

content/browser/loader/resource_dispatcher_host_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
@@ skipping 518 matching lines @@
         old_factory_(NULL),
         resource_type_(ResourceType::SUB_RESOURCE),
         send_data_received_acks_(false) {
     browser_context_.reset(new TestBrowserContext());
     BrowserContext::EnsureResourceContextInitialized(browser_context_.get());
     message_loop_.RunUntilIdle();
     filter_ = new ForwardingFilter(
         this, browser_context_->GetResourceContext());
   }
 
-  ~ResourceDispatcherHostTest() {
+  virtual ~ResourceDispatcherHostTest() {
     for (std::set<int>::iterator it = child_ids_.begin();
          it != child_ids_.end(); ++it) {
       host_.CancelRequestsForProcess(*it);
     }
   }
 
   // IPC::Sender implementation
   virtual bool Send(IPC::Message* msg) OVERRIDE {
     accum_.AddMessage(*msg);
 
@@ skipping 1419 matching lines @@
     }
 
     MessageLoop::current()->RunUntilIdle();
 
     msgs.clear();
     accum_.GetClassifiedMessages(&msgs);
   }
 }
 
 }  // namespace content