Revert of Convert ChromeSyncShell to use ChromePublic infrastructure

chrome/browser/android/chrome_sync_shell_main_delegate.h

Index: chrome/browser/android/chrome_sync_shell_main_delegate.h
diff --git a/chrome/browser/android/chrome_sync_shell_main_delegate.h b/chrome/browser/android/chrome_sync_shell_main_delegate.h
deleted file mode 100644
index c4d2d8892e0e708bc41c7e82c6e0c941d803f39d..0000000000000000000000000000000000000000
--- a/chrome/browser/android/chrome_sync_shell_main_delegate.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2015 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_ANDROID_CHROME_SYNC_SHELL_MAIN_DELEGATE_H_
-#define CHROME_BROWSER_ANDROID_CHROME_SYNC_SHELL_MAIN_DELEGATE_H_
-
-#include "chrome/browser/android/chrome_main_delegate_staging_android.h"
-
-class ChromeSyncShellMainDelegate
-    : public ChromeMainDelegateStagingAndroid {
- public:
-  ChromeSyncShellMainDelegate();
-  ~ChromeSyncShellMainDelegate() override;
-
- protected:
-  int RunProcess(
-      const std::string& process_type,
-      const content::MainFunctionParams& main_function_params) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ChromeSyncShellMainDelegate);
-};
-
-#endif  // CHROME_BROWSER_ANDROID_CHROME_SYNC_SHELL_MAIN_DELEGATE_H_