GuestView: Move lifetime management out of content

extensions/browser/api/guest_view/guest_view_internal_api.h

 // Copyright 2014 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_API_GUEST_VIEW_GUEST_VIEW_INTERNAL_API_H_
 #define EXTENSIONS_BROWSER_API_GUEST_VIEW_GUEST_VIEW_INTERNAL_API_H_
 
 #include "extensions/browser/extension_function.h"
 
 namespace extensions {
 
 class GuestViewInternalCreateGuestFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("guestViewInternal.createGuest",
                              GUESTVIEWINTERNAL_CREATEGUEST);
   GuestViewInternalCreateGuestFunction();
 
  protected:
   virtual ~GuestViewInternalCreateGuestFunction() {}
   virtual bool RunAsync() OVERRIDE FINAL;
 
  private:
   void CreateGuestCallback(content::WebContents* guest_web_contents);
   DISALLOW_COPY_AND_ASSIGN(GuestViewInternalCreateGuestFunction);
 };
 
+class GuestViewInternalDestroyGuestFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("guestViewInternal.destroyGuest",
+                             GUESTVIEWINTERNAL_DESTROYGUEST);
+  GuestViewInternalDestroyGuestFunction();
+
+ protected:
+  virtual ~GuestViewInternalDestroyGuestFunction();
+  virtual bool RunAsync() OVERRIDE FINAL;
+
+ private:
+  void DestroyGuestCallback(content::WebContents* guest_web_contents);
+  DISALLOW_COPY_AND_ASSIGN(GuestViewInternalDestroyGuestFunction);
+};
+
 class GuestViewInternalSetAutoSizeFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("guestViewInternal.setAutoSize",
                              GUESTVIEWINTERNAL_SETAUTOSIZE);
 
   GuestViewInternalSetAutoSizeFunction();
 
  protected:
   virtual ~GuestViewInternalSetAutoSizeFunction();
   virtual bool RunAsync() OVERRIDE FINAL;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GuestViewInternalSetAutoSizeFunction);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_GUEST_VIEW_GUEST_VIEW_INTERNAL_API_H_