Update {virtual,override} to follow C++11 style in content.

content/child/npapi/plugin_url_fetcher.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 "content/child/npapi/plugin_url_fetcher.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "content/child/child_thread_impl.h"
 #include "content/child/multipart_response_delegate.h"
 #include "content/child/npapi/plugin_host.h"
@@ skipping 25 matching lines @@
 // specified in the response header.
 // TODO(jam): this is similar to MultiPartResponseClient in webplugin_impl.cc,
 // we should remove that other class once we switch to loading from the plugin
 // process by default.
 class MultiPartResponseClient : public blink::WebURLLoaderClient {
  public:
   explicit MultiPartResponseClient(PluginStreamUrl* plugin_stream)
       : byte_range_lower_bound_(0), plugin_stream_(plugin_stream) {}
 
   // blink::WebURLLoaderClient implementation:
-  virtual void didReceiveResponse(
-      blink::WebURLLoader* loader,
-      const blink::WebURLResponse& response) override {
+  void didReceiveResponse(blink::WebURLLoader* loader,
+                          const blink::WebURLResponse& response) override {
     int64 byte_range_upper_bound, instance_size;
     if (!MultipartResponseDelegate::ReadContentRanges(response,
                                                       &byte_range_lower_bound_,
                                                       &byte_range_upper_bound,
                                                       &instance_size)) {
       NOTREACHED();
     }
   }
-  virtual void didReceiveData(blink::WebURLLoader* loader,
-                              const char* data,
-                              int data_length,
-                              int encoded_data_length) override {
+  void didReceiveData(blink::WebURLLoader* loader,
+                      const char* data,
+                      int data_length,
+                      int encoded_data_length) override {
     // TODO(ananta)
     // We should defer further loads on multipart resources on the same lines
     // as regular resources requested by plugins to prevent reentrancy.
     int64 data_offset = byte_range_lower_bound_;
     byte_range_lower_bound_ += data_length;
     plugin_stream_->DidReceiveData(data, data_length, data_offset);
     // DANGER: this instance may be deleted at this point.
   }
 
  private:
@@ skipping 299 matching lines @@
   }
 
   if (error_code == net::OK) {
     plugin_stream_->DidFinishLoading(resource_id_);
   } else {
     plugin_stream_->DidFail(resource_id_);
   }
 }
 
 }  // namespace content