Add an error page for resources blocked via XSS Auditor.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index 2081e50930d46df5178f439c030e0c500b6519f8..f5d1f9c04ec32882264a3c0198bf3450a19cb1cb 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -604,6 +604,11 @@ void FrameLoaderClientImpl::loadURLExternally(const ResourceRequest& request,
       suggestedName, shouldReplaceCurrentEntry);
 }
 
+void FrameLoaderClientImpl::loadErrorPage(int reason) {
+  if (m_webFrame->client())
+    m_webFrame->client()->loadErrorPage(reason);
+}
+
 bool FrameLoaderClientImpl::navigateBackForward(int offset) const {
   WebViewImpl* webview = m_webFrame->viewImpl();
   if (!webview->client())