Connect BackgroundFetch to the OfflineItemCollection

content/browser/background_fetch/background_fetch_client_proxy.h

Index: content/browser/background_fetch/background_fetch_client_proxy.h
diff --git a/content/browser/background_fetch/background_fetch_client_proxy.h b/content/browser/background_fetch/background_fetch_client_proxy.h
new file mode 100644
index 0000000000000000000000000000000000000000..e7e50760973541089f99b1d04c11a5989f2d9e1e
--- /dev/null
+++ b/content/browser/background_fetch/background_fetch_client_proxy.h
@@ -0,0 +1,39 @@
+// Copyright 2017 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_BACKGROUND_FETCH_BACKGROUND_FETCH_CLIENT_PROXY_H_
+#define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_CLIENT_PROXY_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "content/public/browser/background_fetch_client.h"
+
+namespace content {
+
+class BackgroundFetchContext;
+
+// The BackgroundFetchClientProxy exists to proxy calls from the
+// BackgroundFetchContext, which lives on the IO thread, to the
+// BackgroundFetchClient which lives on the UI thread and back through the
+// BackgroundFetchClient::Delegate.
+class CONTENT_EXPORT BackgroundFetchClientProxy
+    : public BackgroundFetchClient::Delegate {
+ public:
+  BackgroundFetchClientProxy(BackgroundFetchContext* context);

[Peter Beverloo, 2017/03/31 01:32:23]

explicit

[harkness, 2017/03/31 10:11:44]

Done.

+  ~BackgroundFetchClientProxy() override;
+
+  // BackgroundFetchClient::Delegate implementation.
+  void CancelDownload(const std::string& registration_id) override;
+  void PauseDownload(const std::string& registration_id) override;
+  void ResumeDownload(const std::string& registration_id) override;
+
+ private:
+  // The BackgroundFetchClientProxy is owned by the BackgroundFetchContext.
+  BackgroundFetchContext* background_fetch_context_;
+};

[Peter Beverloo, 2017/03/31 01:32:23]

DISALLOW_COPY_AND_ASSIGN

[harkness, 2017/03/31 10:11:44]

Done.

+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_CLIENT_PROXY_H_