[headless] Initial skeleton of headless/public/

headless/public/web_contents.h

Index: headless/public/web_contents.h
diff --git a/headless/public/web_contents.h b/headless/public/web_contents.h
new file mode 100644
index 0000000000000000000000000000000000000000..bc4aaf452da7989ade97498bc0d7188fc96100c1
--- /dev/null
+++ b/headless/public/web_contents.h
@@ -0,0 +1,54 @@
+// 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_PUBLIC_WEB_CONTENTS_H_
+#define HEADLESS_PUBLIC_WEB_CONTENTS_H_
+
+#include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
+#include "headless/public/headless_export.h"
+#include "url/gurl.h"
+
+class SkBitmap;
+
+namespace headless {
+
+class WebFrame;
+
+class HEADLESS_EXPORT WebContents {
+ public:
+  class Observer {
+   public:
+    // Will be called on browser thread.
+    virtual void DocumentOnLoadCompletedInMainFrame() = 0;
+
+   protected:
+    Observer(WebContents* web_contents);
+    virtual ~Observer();
+
+   private:
+    class ObserverImpl;
+    scoped_ptr<ObserverImpl> observer_;
+  };
+
+  // Returns main frame for web page.
+  // Should be called on browser main thread.
+  virtual scoped_ptr<WebFrame> main_frame();
+
+  // Requests browser tab to open an url.

[Sami, 2015/11/19 15:42:44]

nit: s/open/navigate to/

[altimin, 2015/11/19 16:13:13]

Done.

+  // Should be called on browser main thread.
+  virtual void OpenURL(const GURL& url);
+
+  using ScreenshotCallback = base::Callback<void(scoped_ptr<SkBitmap>)>;
+  // Requests an image of web contents.
+  // Should be called on browser main thread.
+  virtual void GetScreenshot(const ScreenshotCallback& callback);
+
+ protected:
+  virtual ~WebContents() {}
+};
+
+}  // namespace headless
+
+#endif  // HEADLESS_PUBLIC_WEB_CONTENTS_H_