Replace screen capture confirmation infobar with a message box.

chrome/browser/ui/screen_capture_confirmation_dialog.h

+// 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_SCREEN_CAPTURE_CONFIRMATION_DIALOG_H_
+#define CHROME_BROWSER_UI_SCREEN_CAPTURE_CONFIRMATION_DIALOG_H_
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/memory/weak_ptr.h"
+#include "base/string16.h"
+
+// Modal dialog that is used to get user's permissions for screen capture API.
+class ScreenCaptureConfirmationDialog {
+ public:
+  enum Result {
+    ALLOW,
+    DENY,
+  };
+
+  typedef base::Callback<void(Result result)> ResultCallback;
+
+  ScreenCaptureConfirmationDialog();
+  ~ScreenCaptureConfirmationDialog();
+
+  // Shows the screen capture confirmation prompt. |result_callback| will be
+  // invoked when the user chooses to stop capturing. |application_name|
+  // specifies the name of the application that requested screen capture.
+  // Returns false if the prompt cannot be shown for any reason
+  // (|result_callback| is ignored in that case).
+  bool Show(const ResultCallback& result_callback,
+            const string16& application_name);
+
+ private:
+  void ShowMessageBox();
+
+  base::WeakPtrFactory<ScreenCaptureConfirmationDialog> weak_factory_;
+
+  string16 application_name_;
+  ResultCallback result_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScreenCaptureConfirmationDialog);
+};
+
+#endif  // CHROME_BROWSER_UI_SCREEN_CAPTURE_CONFIRMATION_DIALOG_H_