GuestView: Move GuestViewManager extension dependencies to ExtensionsGuestViewManagerDelegate

extensions/browser/guest_view/extensions_guest_view_manager_delegate.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 EXTENSIONS_BROWSER_GUEST_VIEW_EXTENSIONS_GUEST_VIEW_MANAGER_DELEGATE_H_
+#define EXTENSIONS_BROWSER_GUEST_VIEW_EXTENSIONS_GUEST_VIEW_MANAGER_DELEGATE_H_
+
+#include "extensions/browser/guest_view/guest_view_manager_delegate.h"
+
+namespace content {
+class BrowserContext;
+}  // namespace content
+
+namespace extensions {
+class GuestViewBase;
+class GuestViewManager;
+}  // namespace extensions
+
+namespace extensions {
+
+// ExtensionsGuestViewManagerDelegate implements GuestViewManager functionality
+// specific to Chromium builds that include the extensions module.
+class ExtensionsGuestViewManagerDelegate
+    : public guestview::GuestViewManagerDelegate {
+ public:
+  explicit ExtensionsGuestViewManagerDelegate(content::BrowserContext* context);
+  ~ExtensionsGuestViewManagerDelegate() override;
+
+  // GuestViewManagerDelegate implementation.
+  void DispatchEvent(const std::string& event_name,
+                     scoped_ptr<base::DictionaryValue> args,
+                     GuestViewBase* guest,
+                     int instance_id) override;
+  bool IsGuestAvailableToContext(extensions::GuestViewBase* guest) override;
+  bool IsOwnedByExtension(extensions::GuestViewBase* guest) override;
+  void RegisterAdditionalGuestViewTypes() override;
+
+ private:
+  content::BrowserContext* const context_;
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_EXTENSIONS_GUEST_VIEW_MANAGER_DELEGATE_H_