sync: move internal_api components used by chrome/browser into internal_api/public

TBR=jhawkins@chromium.org

BUG=131130
TEST=


Review URL: https://chromiumcodereview.appspot.com/10534080

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@142626 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 34 insertions, 0 deletions

diff --git a/sync/internal_api/public/http_post_provider_factory.h b/sync/internal_api/public/http_post_provider_factory.h
new file mode 100644
index 0000000..53d576b
--- /dev/null
+++ b/sync/internal_api/public/http_post_provider_factory.h
@@ -0,0 +1,34 @@
+// 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 SYNC_INTERNAL_API_PUBLIC_HTTP_POST_PROVIDER_FACTORY_H_
+#define SYNC_INTERNAL_API_PUBLIC_HTTP_POST_PROVIDER_FACTORY_H_
+#pragma once
+
+namespace sync_api {
+
+class HttpPostProviderInterface;
+
+// A factory to create HttpPostProviders to hide details about the
+// implementations and dependencies.
+// A factory instance itself should be owned by whomever uses it to create
+// HttpPostProviders.
+class HttpPostProviderFactory {
+ public:
+  virtual ~HttpPostProviderFactory() {}
+
+  // Obtain a new HttpPostProviderInterface instance, owned by caller.
+  virtual HttpPostProviderInterface* Create() = 0;
+
+  // When the interface is no longer needed (ready to be cleaned up), clients
+  // must call Destroy().
+  // This allows actual HttpPostProvider subclass implementations to be
+  // reference counted, which is useful if a particular implementation uses
+  // multiple threads to serve network requests.
+  virtual void Destroy(HttpPostProviderInterface* http) = 0;
+};
+
+}  // namespace sync_api
+
+#endif  // SYNC_INTERNAL_API_PUBLIC_HTTP_POST_PROVIDER_FACTORY_H_