Fix for how webview.executeScript and webivew.insertCSS check for page navigtation when loading dat…

extensions/browser/guest_view/web_view/web_view_guest.cc

Index: extensions/browser/guest_view/web_view/web_view_guest.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.cc b/extensions/browser/guest_view/web_view/web_view_guest.cc
index b68e37f2bb4f845d37874304cea97f80203cea8a..bb24c5db3c99ef51ad23e50ed925d8201a6b2475 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -661,6 +661,12 @@ void WebViewGuest::DidCommitProvisionalLoadForFrame(
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetString(guestview::kUrl, url.spec());
   args->SetBoolean(guestview::kIsTopLevel, !render_frame_host->GetParent());
+  args->SetString(webview::kInternalBaseURLForDataURL,
+                  web_contents()
+                      ->GetController()
+                      .GetLastCommittedEntry()
+                      ->GetBaseURLForDataURL()
+                      .spec());
   args->SetInteger(webview::kInternalCurrentEntryIndex,
                    web_contents()->GetController().GetCurrentEntryIndex());
   args->SetInteger(webview::kInternalEntryCount,