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

chrome/browser/chromeos/login/simple_web_view_dialog.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/simple_web_view_dialog.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 245 matching lines @@
   }
 }
 
 content::WebContents* SimpleWebViewDialog::OpenURL(
     const content::OpenURLParams& params) {
   // As there are no Browsers right now, this could not actually ever work.
   NOTIMPLEMENTED();
   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);
 }
 
 WebContents* SimpleWebViewDialog::GetWebContents() {
   return NULL;
 }
 
 ToolbarModel* SimpleWebViewDialog::GetToolbarModel() {
   return toolbar_model_.get();
 }
@@ skipping 105 matching lines @@
 
 void SimpleWebViewDialog::UpdateReload(bool is_loading, bool force) {
   if (reload_) {
     reload_->ChangeMode(
         is_loading ? ReloadButton::MODE_STOP : ReloadButton::MODE_RELOAD,
         force);
   }
 }
 
 }  // namespace chromeos