Allow whitelisted content scripts to be injected in WebViews.

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 11aad869a7aecac6c732602ea8cbeebafeff2de0..43f68b924cfc13f792bb28c3f1cbeb0edef603f5 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -330,8 +330,6 @@ void WebViewGuest::DidInitialize(const base::DictionaryValue& create_params) {
                               content::NOTIFICATION_RESOURCE_RECEIVED_REDIRECT,
                               content::Source<WebContents>(web_contents()));
 
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnDidInitialize();
   AttachWebViewHelpers(web_contents());
 
   rules_registry_id_ = GetOrGenerateRulesRegistryID(
@@ -786,11 +784,6 @@ void WebViewGuest::DidCommitProvisionalLoadForFrame(
       new GuestViewEvent(webview::kEventLoadCommit, args.Pass()));
 
   find_helper_.CancelAllFindSessions();
-
-  if (web_view_guest_delegate_) {
-    web_view_guest_delegate_->OnDidCommitProvisionalLoadForFrame(
-        !render_frame_host->GetParent());
-  }
 }
 
 void WebViewGuest::DidFailProvisionalLoad(
@@ -814,12 +807,6 @@ void WebViewGuest::DidStartProvisionalLoadForFrame(
       new GuestViewEvent(webview::kEventLoadStart, args.Pass()));
 }
 
-void WebViewGuest::DocumentLoadedInFrame(
-    content::RenderFrameHost* render_frame_host) {
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnDocumentLoadedInFrame(render_frame_host);
-}
-
 void WebViewGuest::RenderProcessGone(base::TerminationStatus status) {
   // Cancel all find sessions in progress.
   find_helper_.CancelAllFindSessions();