Embedded Extension Options: Open all external links in a new tab

chrome/browser/guest_view/extension_options/extension_options_guest.cc

Index: chrome/browser/guest_view/extension_options/extension_options_guest.cc
diff --git a/chrome/browser/guest_view/extension_options/extension_options_guest.cc b/chrome/browser/guest_view/extension_options/extension_options_guest.cc
index 117f562d8bdb58388a8e6559f8331f2fb9f1a899..f3d5f6ef0887d3048646e3b2733afcd0660459b1 100644
--- a/chrome/browser/guest_view/extension_options/extension_options_guest.cc
+++ b/chrome/browser/guest_view/extension_options/extension_options_guest.cc
@@ -24,6 +24,7 @@
 #include "extensions/browser/extension_function_dispatcher.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/guest_view/guest_view_manager.h"
+#include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/feature_switch.h"
@@ -155,6 +156,28 @@ content::WebContents* ExtensionOptionsGuest::GetAssociatedWebContents() const {
   return web_contents();
 }
 
+content::WebContents* ExtensionOptionsGuest::OpenURLFromTab(
+    content::WebContents* source,
+    const content::OpenURLParams& params) {
+  Browser* browser =
+      chrome::FindBrowserWithWebContents(embedder_web_contents());
+
+  // Don't allow external URLs with the CURRENT_TAB disposition be opened in
+  // this guest view, change the disposition to NEW_FOREGROUND_TAB.
+  if ((!params.url.SchemeIs(extensions::kExtensionScheme) ||
+       params.url.host() != options_page_.host()) &&
+      params.disposition == CURRENT_TAB) {
+    return browser->OpenURL(
+        content::OpenURLParams(params.url,
+                               params.referrer,
+                               params.frame_tree_node_id,
+                               NEW_FOREGROUND_TAB,
+                               params.transition,
+                               params.is_renderer_initiated));
+  }
+  return browser->OpenURL(params);
+}
+
 void ExtensionOptionsGuest::CloseContents(content::WebContents* source) {
   DispatchEventToEmbedder(new extensions::GuestViewBase::Event(
       extension_options_internal::OnClose::kEventName,