media: Add ProvisionFetcher mojo interface and implementation.

media/mojo/services/mojo_provision_fetcher.cc

+// Copyright 2014 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 "media/mojo/services/mojo_provision_fetcher.h"
+
+#include "base/bind.h"
+
+namespace media {
+
+MojoProvisionFetcher::MojoProvisionFetcher(
+    interfaces::ProvisionFetcherPtr provision_fetcher_ptr)
+    : provision_fetcher_ptr_(std::move(provision_fetcher_ptr)),
+      weak_factory_(this) {
+  DVLOG(1) << __FUNCTION__;
+}
+
+MojoProvisionFetcher::~MojoProvisionFetcher() {}
+
+// ProvisionFetcher implementation:
+void MojoProvisionFetcher::Retrieve(const std::string& default_url,
+                                    const std::string& request_data,
+                                    const ResponseCB& response_cb) {
+  DVLOG(1) << __FUNCTION__;
+  provision_fetcher_ptr_->Retrieve(
+      default_url, request_data,
+      base::Bind(&MojoProvisionFetcher::OnResponse, weak_factory_.GetWeakPtr(),
+                 response_cb));
+}
+
+void MojoProvisionFetcher::OnResponse(const ResponseCB& response_cb,
+                                      bool success,
+                                      const std::string& response) {
+  response_cb.Run(success, response);
+}
+
+}  // namespace media