Add notifications for when V8Proxy creates or destroys a V8 Context.

webkit/glue/webframeloaderclient_impl.cc

Index: webkit/glue/webframeloaderclient_impl.cc
diff --git a/webkit/glue/webframeloaderclient_impl.cc b/webkit/glue/webframeloaderclient_impl.cc
index d5e950f232f9e9302dcc9702e343e3e5e2b6b5e6..b23ed190df83da2068529a649b8540bc839b1a55 100644
--- a/webkit/glue/webframeloaderclient_impl.cc
+++ b/webkit/glue/webframeloaderclient_impl.cc
@@ -125,6 +125,20 @@ void WebFrameLoaderClient::documentElementAvailable() {
     d->DocumentElementAvailable(webframe_);
 }
 
+void WebFrameLoaderClient::didCreateScriptContext() {
+  WebViewImpl* webview = webframe_->GetWebViewImpl();
+  WebViewDelegate* d = webview->delegate();
+  if (d)
+    d->DidCreateScriptContext(webframe_);
+}
+
+void WebFrameLoaderClient::didDestroyScriptContext() {
+  WebViewImpl* webview = webframe_->GetWebViewImpl();
+  WebViewDelegate* d = webview->delegate();
+  if (d)
+    d->DidDestroyScriptContext(webframe_);
+}
+
 void WebFrameLoaderClient::didPerformFirstNavigation() const {
 }