Gets the initial sync service status. In the next patch I'll make the syncfs-internals dashboard a …

chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.h

Index: chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.h
diff --git a/chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.h b/chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..263cb19a8ed853a96a36a3f62cdd1b4ba6873aa3
--- /dev/null
+++ b/chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.h
@@ -0,0 +1,32 @@
+// Copyright 2013 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 CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_
+
+#include "base/compiler_specific.h"
+#include "content/public/browser/web_ui_message_handler.h"
+
+class Profile;
+
+namespace syncfs_internals {
+
+// This class handles message from WebUI page of chrome://syncfs-internals/.
+// All methods in this class should be called on UI thread.
+class SyncFileSystemInternalsHandler : public content::WebUIMessageHandler {
+ public:
+  explicit SyncFileSystemInternalsHandler(Profile* profile);
+  virtual ~SyncFileSystemInternalsHandler();
+  virtual void RegisterMessages() OVERRIDE;
+
+ private:
+  void GetServiceStatus(const base::ListValue* args);
+
+  Profile* profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncFileSystemInternalsHandler);
+};
+}  // syncfs_internals
+
+#endif  // CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_