Add DISALLOW_COPY_AND_ASSIGN in web_data_consumer_handle_impl.h.

content/child/web_data_consumer_handle_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_
 #define CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 25 matching lines @@
     Result endRead(size_t readSize) override;
 
    private:
     Result HandleReadResult(MojoResult);
     void StartWatching();
     void OnHandleGotReadable(MojoResult);
 
     scoped_refptr<Context> context_;
     mojo::Watcher handle_watcher_;
     Client* client_;
+
+    DISALLOW_COPY_AND_ASSIGN(ReaderImpl);
   };
   std::unique_ptr<Reader> obtainReader(Client* client) override;
 
   explicit WebDataConsumerHandleImpl(Handle handle);
   ~WebDataConsumerHandleImpl() override;
 
  private:
   const char* debugName() const override;
 
   scoped_refptr<Context> context_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebDataConsumerHandleImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_