PlzNavigate: support the WebRequest API

extensions/browser/extension_navigation_ui_data.h

+// Copyright 2016 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 EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_
+#define EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "extensions/browser/extension_api_frame_id_map.h"
+
+namespace content {
+class NavigationHandle;
+}
+
+namespace extensions {
+
+class ExtensionNavigationUIData {

[nasko, 2016/09/22 18:32:51]

Class level comment about what this is used for? Also, clarification which
thread this object is used on will be useful to have.

[clamy, 2016/09/26 15:37:51]

Done.

+ public:
+  ExtensionNavigationUIData();
+  ExtensionNavigationUIData(content::NavigationHandle* navigation_handle,
+                            int tab_id,
+                            int window_id);
+
+  std::unique_ptr<ExtensionNavigationUIData> DeepCopy() const;
+
+  const ExtensionApiFrameIdMap::FrameData& frame_data() const {
+    return frame_data_;
+  }
+
+  void set_frame_data(const ExtensionApiFrameIdMap::FrameData& frame_data) {

[nasko, 2016/09/22 18:32:51]

Does this need to be a public method?

[clamy, 2016/09/26 15:37:51]

Done.

+    frame_data_ = frame_data;
+  }
+
+ private:
+  ExtensionApiFrameIdMap::FrameData frame_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionNavigationUIData);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_