Revert of Repurpose views+content example into a generic multiprocess views runtime

ui/views_content_client/views_content_client.h

-// 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.
-
-#ifndef UI_VIEWS_CONTENT_CLIENT_VIEWS_CONTENT_CLIENT_H_
-#define UI_VIEWS_CONTENT_CLIENT_VIEWS_CONTENT_CLIENT_H_
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/views_content_client/views_content_client_export.h"
-
-namespace content {
-class BrowserContext;
-}
-
-namespace sandbox {
-struct SandboxInterfaceInfo;
-}
-
-namespace ui {
-
-// Creates a multiprocess views runtime for running an example application.
-//
-// Sample usage:
-//
-// void InitMyApp(content::BrowserContext* browser_context,
-//                gfx::NativeView window_context) {
-//   // Create desired windows and views here. Runs on the UI thread.
-// }
-//
-// #if defined(OS_WIN)
-// int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t*, int) {
-//   sandbox::SandboxInterfaceInfo sandbox_info = {0};
-//   content::InitializeSandboxInfo(&sandbox_info);
-//   ui::ViewsContentClient params(instance, &sandbox_info);
-// #else
-// int main(int argc, const char** argv) {
-//   ui::ViewsContentClient params(argc, argv);
-// #endif
-//
-//   params.set_task(base::Bind(&InitMyApp));
-//   return params.RunMain();
-// }
-class VIEWS_CONTENT_CLIENT_EXPORT ViewsContentClient {
- public:
-  typedef base::Callback<
-      void(content::BrowserContext* browser_context,
-           gfx::NativeView window_context)> Task;
-
-#if defined(OS_WIN)
-  ViewsContentClient(HINSTANCE instance,
-                     sandbox::SandboxInterfaceInfo* sandbox_info);
-#else
-  ViewsContentClient(int argc, const char** argv);
-#endif
-
-  ~ViewsContentClient();
-
-  // Runs content::ContentMain() using the ExamplesMainDelegate.
-  int RunMain();
-
-  // The task to run at the end of BrowserMainParts::PreMainMessageLoopRun().
-  // Ignored if this is not the main process.
-  void set_task(const Task& task) { task_ = task; }
-  const Task& task() const { return task_; }
-
- private:
-#if defined(OS_WIN)
-  HINSTANCE instance_;
-  sandbox::SandboxInterfaceInfo* sandbox_info_;
-#else
-  int argc_;
-  const char** argv_;
-#endif
-  Task task_;
-
-  DISALLOW_COPY_AND_ASSIGN(ViewsContentClient);
-};
-
-}  // namespace ui
-
-#endif  // UI_VIEWS_CONTENT_CLIENT_VIEWS_CONTENT_CLIENT_H_