Allow whitelisted content scripts to be injected in WebViews.

extensions/browser/guest_view/web_view/web_view_guest_delegate.h

Index: extensions/browser/guest_view/web_view/web_view_guest_delegate.h
diff --git a/extensions/browser/guest_view/web_view/web_view_guest_delegate.h b/extensions/browser/guest_view/web_view/web_view_guest_delegate.h
index b6e0f1a9baa99aac806257767322aeee817ec7df..0ab06150b38b58ed2670247ae4881b09de16907f 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest_delegate.h
+++ b/extensions/browser/guest_view/web_view/web_view_guest_delegate.h
@@ -38,15 +38,6 @@ class WebViewGuestDelegate {
   // Called to attach helpers just after additional initialization is performed.
   virtual void OnAttachWebViewHelpers(content::WebContents* contents) = 0;
 
-  // Called when the guest WebContents commits a provisional load in any frame.
-  virtual void OnDidCommitProvisionalLoadForFrame(bool is_main_frame) = 0;
-
-  // Called just after additional initialization is performed.
-  virtual void OnDidInitialize() = 0;
-
-  virtual void OnDocumentLoadedInFrame(
-      content::RenderFrameHost* render_frame_host) = 0;
-
   // Called immediately after the guest WebContents has been destroyed.
   virtual void OnGuestDestroyed() = 0;