headless: Initial headless embedder API implementation

headless/lib/browser/headless_browser_main_parts.h

+// 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 HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_MAIN_PARTS_H_
+#define HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_MAIN_PARTS_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "content/public/browser/browser_main_parts.h"
+#include "headless/public/headless_browser.h"
+
+namespace devtools_http_handler {
+class DevToolsHttpHandler;
+}
+
+namespace headless {
+
+class HeadlessBrowserContext;
+class HeadlessBrowserImpl;
+
+class HeadlessBrowserMainParts : public content::BrowserMainParts {
+ public:
+  explicit HeadlessBrowserMainParts(HeadlessBrowserImpl* browser);
+  ~HeadlessBrowserMainParts() override;
+
+  // content::BrowserMainParts implementation:
+  void PreMainMessageLoopRun() override;
+  void PostMainMessageLoopRun() override;
+
+  HeadlessBrowserContext* browser_context() const;
+
+ private:
+  HeadlessBrowserImpl* browser_;  // Not owned.
+  scoped_ptr<HeadlessBrowserContext> browser_context_;
+  scoped_ptr<devtools_http_handler::DevToolsHttpHandler> devtools_http_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(HeadlessBrowserMainParts);
+};
+
+}  // namespace headless
+
+#endif  // HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_MAIN_PARTS_H_