Migrate components/data_reduction_proxy to Mojo interfaces.

components/data_reduction_proxy/content/browser/data_reduction_proxy_host_impl.h

+// Copyright 2016 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 COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_BROWSER_DATA_REDUCTION_PROXY_HOST_IMPL_H_
+#define COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_BROWSER_DATA_REDUCTION_PROXY_HOST_IMPL_H_
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "components/data_reduction_proxy/content/common/data_reduction_proxy.mojom.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+
+namespace net {
+class HostPortPair;
+}
+
+namespace data_reduction_proxy {
+
+class DataReductionProxyConfig;
+
+class DataReductionProxyHostImpl : public mojom::DataReductionProxyHost {
+ public:
+  static void Create(base::WeakPtr<DataReductionProxyConfig> config,
+                     mojom::DataReductionProxyHostRequest request);
+
+  DataReductionProxyHostImpl(base::WeakPtr<DataReductionProxyConfig> config,
+                             mojom::DataReductionProxyHostRequest request);
+
+  ~DataReductionProxyHostImpl() override;
+
+  // mojom::DataReductionProxyHost methods:
+  void IsDataReductionProxy(
+      const net::HostPortPair& proxy_server,
+      const IsDataReductionProxyCallback& callback) override;
+
+ private:
+  base::WeakPtr<DataReductionProxyConfig> config_;
+
+  mojo::StrongBinding<mojom::DataReductionProxyHost> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(DataReductionProxyHostImpl);
+};
+
+}  // namespace data_reduction_proxy
+
+#endif  // COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_BROWSER_DATA_REDUCTION_PROXY_HOST_IMPL_H_