Connect BackgroundFetch to the OfflineItemCollection

content/browser/background_fetch/background_fetch_client_proxy.cc

Index: content/browser/background_fetch/background_fetch_client_proxy.cc
diff --git a/content/browser/background_fetch/background_fetch_client_proxy.cc b/content/browser/background_fetch/background_fetch_client_proxy.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d1dd0316d0a5ae19990435925806c1da42781e04
--- /dev/null
+++ b/content/browser/background_fetch/background_fetch_client_proxy.cc
@@ -0,0 +1,76 @@
+// 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.
+
+#include "content/browser/background_fetch/background_fetch_client_proxy.h"
+
+#include "content/browser/background_fetch/background_fetch_context.h"
+#include "content/browser/background_fetch/background_fetch_registration_id.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace content {
+
+BackgroundFetchClientProxy::BackgroundFetchClientProxy(
+    BackgroundFetchContext* background_fetch_context)
+    : background_fetch_context_(background_fetch_context) {
+  DCHECK(background_fetch_context);
+}
+
+BackgroundFetchClientProxy::~BackgroundFetchClientProxy() = default;
+
+void BackgroundFetchClientProxy::CleanupAllTasks() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(&BackgroundFetchContext::CleanupAllTasks,
+                                     background_fetch_context_));
+}
+
+void BackgroundFetchClientProxy::CancelDownload(
+    const std::string& registration_id) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  BackgroundFetchRegistrationId deserialized_id;
+  if (!BackgroundFetchRegistrationId::Deserialize(registration_id,
+                                                  &deserialized_id)) {
+    LOG(ERROR) << "Unable to deserialize registration_id from embedder.";
+    return;
+  }
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&BackgroundFetchContext::CancelFetch,
+                 background_fetch_context_, deserialized_id));
+}
+
+void BackgroundFetchClientProxy::PauseDownload(
+    const std::string& registration_id) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  BackgroundFetchRegistrationId deserialized_id;
+  if (!BackgroundFetchRegistrationId::Deserialize(registration_id,
+                                                  &deserialized_id)) {
+    LOG(ERROR) << "Unable to deserialize registration_id from embedder.";
+    return;
+  }
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&BackgroundFetchContext::PauseFetch, background_fetch_context_,
+                 deserialized_id));
+}
+
+void BackgroundFetchClientProxy::ResumeDownload(
+    const std::string& registration_id) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  BackgroundFetchRegistrationId deserialized_id;
+  if (!BackgroundFetchRegistrationId::Deserialize(registration_id,
+                                                  &deserialized_id)) {
+    LOG(ERROR) << "Unable to deserialize registration_id from embedder.";
+    return;
+  }
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&BackgroundFetchContext::ResumeFetch,
+                 background_fetch_context_, deserialized_id));
+}
+
+}  // namespace content