ExtensionSystem cleanup part 2

extensions/browser/extension_system_provider.cc

Index: extensions/browser/extension_system_provider.cc
diff --git a/extensions/browser/extension_system_provider.cc b/extensions/browser/extension_system_provider.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8016e9e6d5d1b1d2603dcc366c0373f5187ff8c1
--- /dev/null
+++ b/extensions/browser/extension_system_provider.cc
@@ -0,0 +1,19 @@
+// 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 "extensions/browser/extension_system_provider.h"
+
+#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
+
+namespace extensions {
+
+ExtensionSystemProvider::ExtensionSystemProvider(
+    const char* name,
+    BrowserContextDependencyManager* manager)
+    : BrowserContextKeyedServiceFactory(name, manager) {
+}
+
+ExtensionSystemProvider::~ExtensionSystemProvider() {}
+
+}  // namespace extensions