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 14b38ded23f3ba6ee08f6283a1a94d64956bb63b..607481b61acf46bd804b92ba17c98a1526312471 100644
--- a/chrome/browser/chromeos/login/simple_web_view_dialog.cc
+++ b/chrome/browser/chromeos/login/simple_web_view_dialog.cc
@@ -265,9 +265,10 @@ void SimpleWebViewDialog::NavigationStateChanged(
   }
 }
 
-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);
 }