GTTF: Add missing virtual destructors.

net/http/http_pipelined_host_pool.h

 // 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.
 
 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_
 #define NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/http/http_pipelined_host.h"
 #include "net/http/http_pipelined_host_capability.h"
 
 namespace base {
 class Value;
 }
 
 namespace net {
 
 class HostPortPair;
 class HttpPipelinedStream;
 class HttpServerProperties;
 
 // Manages all of the pipelining state for specific host with active pipelined
 // HTTP requests. Manages connection jobs, constructs pipelined streams, and
 // assigns requests to the least loaded pipelined connection.
 class NET_EXPORT_PRIVATE HttpPipelinedHostPool
-    : public HttpPipelinedHost::Delegate {
+    : public NON_EXPORTED_BASE(HttpPipelinedHost::Delegate) {
  public:
   class Delegate {
    public:
+    virtual ~Delegate() {}
+
     // Called when a HttpPipelinedHost has new capacity. Attempts to allocate
     // any pending pipeline-capable requests to pipelines.
     virtual void OnHttpPipelinedHostHasAdditionalCapacity(
         HttpPipelinedHost* host) = 0;
   };
 
   HttpPipelinedHostPool(Delegate* delegate,
                         HttpPipelinedHost::Factory* factory,
                         HttpServerProperties* http_server_properties_,
                         bool force_pipelining);
@@ skipping 47 matching lines @@
   HostMap host_map_;
   HttpServerProperties* http_server_properties_;
   bool force_pipelining_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpPipelinedHostPool);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_