Revert of Fix HidService lifetime issues.

extensions/shell/browser/api/shell_extensions_api_client.cc

Index: extensions/shell/browser/api/shell_extensions_api_client.cc
diff --git a/extensions/shell/browser/api/shell_extensions_api_client.cc b/extensions/shell/browser/api/shell_extensions_api_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a8e7d1118e0f0237866d3487563792aa28a47052
--- /dev/null
+++ b/extensions/shell/browser/api/shell_extensions_api_client.cc
@@ -0,0 +1,27 @@
+// 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/shell/browser/api/shell_extensions_api_client.h"
+
+#include "content/public/browser/browser_thread.h"
+#include "device/hid/hid_service.h"
+
+namespace extensions {
+
+ShellExtensionsAPIClient::ShellExtensionsAPIClient() {
+}
+
+ShellExtensionsAPIClient::~ShellExtensionsAPIClient() {
+}
+
+device::HidService* ShellExtensionsAPIClient::GetHidService() {
+  if (!hid_service_) {
+    hid_service_.reset(device::HidService::Create(
+        content::BrowserThread::GetMessageLoopProxyForThread(
+            content::BrowserThread::UI)));
+  }
+  return hid_service_.get();
+}
+
+}  // namespace extensions