Making window.focus()/blur() work only when user initiated

chrome/browser/external_tab_container_win.cc

 // Copyright (c) 2010 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/external_tab_container_win.h"
 
 #include <string>
 
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
@@ skipping 385 matching lines @@
   RegisterRenderViewHostForAutomation(rvh, true);
 }
 
 bool ExternalTabContainer::infobars_enabled() {
   return infobars_enabled_;
 }
 
 void ExternalTabContainer::ActivateContents(TabContents* contents) {
 }
 
+void ExternalTabContainer::DeactivateContents(TabContents* contents) {
+}
+
 void ExternalTabContainer::LoadingStateChanged(TabContents* source) {
 }
 
 void ExternalTabContainer::CloseContents(TabContents* source) {
   static const int kExternalTabCloseContentsDelayMS = 100;
 
   if (waiting_for_unload_event_) {
     PostMessage(notification_window_, notification_message_, 0, 0);
     waiting_for_unload_event_ = false;
   } else {
@@ skipping 559 matching lines @@
   external_tab_view_->SetLayoutManager(layout);
 
   layout->StartRow(0, 0);
   layout->AddView(info_bar_container);
   layout->StartRow(1, 0);
   layout->AddView(tab_contents_container_);
   SetContentsView(external_tab_view_);
   // Note that SetTabContents must be called after AddChildView is called
   tab_contents_container_->ChangeTabContents(tab_contents_);
 }