Fix pushState causing stop/reload button and favicon to flicker.

chrome/browser/chromeos/login/simple_web_view_dialog.cc

Index: chrome/browser/chromeos/login/simple_web_view_dialog.cc
diff --git a/chrome/browser/chromeos/login/simple_web_view_dialog.cc b/chrome/browser/chromeos/login/simple_web_view_dialog.cc
index 249a37f00fc2c296c997b42885d796caad932072..77b400094b02654913bbe83912f3ddcbb794af48 100644
--- a/chrome/browser/chromeos/login/simple_web_view_dialog.cc
+++ b/chrome/browser/chromeos/login/simple_web_view_dialog.cc
@@ -263,9 +263,10 @@ content::WebContents* SimpleWebViewDialog::OpenURL(
   return NULL;
 }
 
-void SimpleWebViewDialog::LoadingStateChanged(WebContents* source) {
+void SimpleWebViewDialog::LoadingStateChanged(WebContents* source,
+    bool to_different_document) {
   bool is_loading = source->IsLoading();
-  UpdateReload(is_loading, false);
+  UpdateReload(is_loading && to_different_document, false);
   command_updater_->UpdateCommandEnabled(IDC_STOP, is_loading);
 }