Use mojo for Chrome Loading, Part 1

content/browser/loader/resource_message_filter.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 CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "base/sequenced_task_runner_helpers.h"
 #include "content/common/content_export.h"
+#include "content/common/url_loader.mojom.h"
 #include "content/public/browser/browser_message_filter.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/common/resource_type.h"
 
 namespace storage {
 class FileSystemContext;
 }  // namespace storage
 
 namespace net {
 class URLRequestContext;
 }  // namespace net
 
@@ skipping 27 matching lines @@
                         int process_type,
                         ChromeAppCacheService* appcache_service,
                         ChromeBlobStorageContext* blob_storage_context,
                         storage::FileSystemContext* file_system_context,
                         ServiceWorkerContextWrapper* service_worker_context,
                         const GetContextsCallback& get_contexts_callback);
 
   // BrowserMessageFilter implementation.
   void OnChannelClosing() override;
   bool OnMessageReceived(const IPC::Message& message) override;
+  void OnDestruct() const override;
 
   // |origin_pid| is only required for NPAPI plugin processes. Its value is
   // ignored otherwise.
   void GetContexts(ResourceType resource_type,
                    int origin_pid,
                    ResourceContext** resource_context,
                    net::URLRequestContext** request_context);
 
   // Returns the net::URLRequestContext for the given request.
   net::URLRequestContext* GetURLRequestContext(ResourceType request_type);
@@ skipping 10 matching lines @@
     return file_system_context_.get();
   }
 
   ServiceWorkerContextWrapper* service_worker_context() const {
     return service_worker_context_.get();
   }
 
   int child_id() const { return child_id_; }
   int process_type() const { return process_type_; }
 
+  // IPC::Sender
+  bool Send(IPC::Message* message) override;
+
   base::WeakPtr<ResourceMessageFilter> GetWeakPtr();
 
  protected:
   // Protected destructor so that we can be overriden in tests.
   ~ResourceMessageFilter() override;
 
  private:
+  friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>;
+  friend class base::DeleteHelper<ResourceMessageFilter>;
+
+  bool SendWithMojo(mojom::URLLoaderClient* client,
+                    const IPC::Message& message);
+
   // The ID of the child process.
   int child_id_;
 
   int process_type_;
 
   scoped_refptr<ChromeAppCacheService> appcache_service_;
   scoped_refptr<ChromeBlobStorageContext> blob_storage_context_;
   scoped_refptr<storage::FileSystemContext> file_system_context_;
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
 
   GetContextsCallback get_contexts_callback_;
 
   // This must come last to make sure weak pointers are invalidated first.
   base::WeakPtrFactory<ResourceMessageFilter> weak_ptr_factory_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_FILTER_H_