Handle closing web contents in ExtensionOptionsGuest

chrome/browser/guest_view/extension_options/extension_options_guest.cc

 // 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.
 
 #include "chrome/browser/guest_view/extension_options/extension_options_guest.h"
 
 #include "base/values.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/guest_view/extension_options/extension_options_constants.h"
@@ skipping 167 matching lines @@
   attach_params()->GetInteger(extensionoptions::kAttributeMinHeight,
                               &min_height);
   attach_params()->GetInteger(extensionoptions::kAttributeMinWidth, &min_width);
 
   // Call SetAutoSize to apply all the appropriate validation and clipping of
   // values.
   SetAutoSize(
       true, gfx::Size(min_width, min_height), gfx::Size(max_width, max_height));
 }
 
+void ExtensionOptionsGuest::CloseContents(content::WebContents* source) {
+  DispatchEventToEmbedder(new extensions::GuestViewBase::Event(
+      extension_options_internal::OnClose::kEventName,
+      make_scoped_ptr(new base::DictionaryValue())));
+}
+
 bool ExtensionOptionsGuest::ShouldCreateWebContents(
     content::WebContents* web_contents,
     int route_id,
     WindowContainerType window_container_type,
     const base::string16& frame_name,
     const GURL& target_url,
     const std::string& partition_id,
     content::SessionStorageNamespace* session_storage_namespace) {
   // This method handles opening links from within the guest. Since this guest
   // view is used for displaying embedded extension options, we want any
   // external links to be opened in a new tab, not in a new guest view.
   // Therefore we just open the URL in a new tab, and since we aren't handling
   // the new web contents, we return false.
   Browser* browser =
       chrome::FindBrowserWithWebContents(embedder_web_contents());
   content::OpenURLParams params(target_url,
                                 content::Referrer(),
                                 NEW_FOREGROUND_TAB,
                                 content::PAGE_TRANSITION_LINK,
                                 false);
   browser->OpenURL(params);
   // TODO(ericzeng): Open the tab in the background if the click was a
   //   ctrl-click or middle mouse button click
   return false;
 }