Convert enable_plugins to a buildflag header.

content/browser/loader/resource_dispatcher_host_impl.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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 
 #include <stddef.h>
 
@@ skipping 91 matching lines @@
 #include "net/cert/cert_status_flags.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
 #include "net/ssl/client_cert_store.h"
 #include "net/ssl/ssl_cert_request_info.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_job_factory.h"
+#include "ppapi/features/features.h"
 #include "storage/browser/blob/blob_data_handle.h"
 #include "storage/browser/blob/blob_storage_context.h"
 #include "storage/browser/blob/blob_url_request_job_factory.h"
 #include "storage/browser/blob/shareable_file_reference.h"
 #include "storage/browser/fileapi/file_permission_policy.h"
 #include "storage/browser/fileapi/file_system_context.h"
 #include "url/third_party/mozilla/url_parse.h"
 #include "url/url_constants.h"
 
 using base::Time;
@@ skipping 1602 matching lines @@
       post_mime_sniffing_throttles.push_back(throttle);
     }
   }
   throttles.weak_clear();
 
   // Add the post mime sniffing throttles.
   handler.reset(new ThrottlingResourceHandler(
       std::move(handler), request, std::move(post_mime_sniffing_throttles)));
 
   PluginService* plugin_service = nullptr;
-#if defined(ENABLE_PLUGINS)
+#if BUILDFLAG(ENABLE_PLUGINS)
   plugin_service = PluginService::GetInstance();
 #endif
 
   // Insert a buffered event handler to sniff the mime type.
   // Note: all ResourceHandler following the MimeSniffingResourceHandler
   // should expect OnWillRead to be called *before* OnResponseStarted as
   // part of the mime sniffing process.
   handler.reset(new MimeSniffingResourceHandler(
       std::move(handler), this, plugin_service, intercepting_handler, request,
       fetch_request_context_type));
@@ skipping 1054 matching lines @@
                                  &throttles);
     if (!throttles.empty()) {
       handler.reset(new ThrottlingResourceHandler(std::move(handler), request,
                                                   std::move(throttles)));
     }
   }
   return handler;
 }
 
 }  // namespace content