Don't allow navigations in inactive windows to change window focus.

chrome/browser/ui/browser.cc

 // Copyright 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/ui/browser.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 871 matching lines @@
                                   NULL);
 }
 
 void Browser::UpdateDownloadShelfVisibility(bool visible) {
   if (GetStatusBubble())
     GetStatusBubble()->UpdateDownloadShelfVisibility(visible);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void Browser::UpdateUIForNavigationInTab(WebContents* contents,
-                                         ui::PageTransition transition,
-                                         bool user_initiated) {
+void Browser::UpdateUIForNavigationInTab(
+    WebContents* contents,
+    ui::PageTransition transition,
+    chrome::NavigateParams::WindowAction action,
+    bool user_initiated) {
   tab_strip_model_->TabNavigating(contents, transition);
 
   bool contents_is_selected =
       contents == tab_strip_model_->GetActiveWebContents();
   if (user_initiated && contents_is_selected && window()->GetLocationBar()) {
     // Forcibly reset the location bar if the url is going to change in the
     // current tab, since otherwise it won't discard any ongoing user edits,
     // since it doesn't realize this is a user-initiated action.
     window()->GetLocationBar()->Revert();
   }
 
   if (GetStatusBubble())
     GetStatusBubble()->Hide();
 
   // Update the location bar. This is synchronous. We specifically don't
   // update the load state since the load hasn't started yet and updating it
   // will put it out of sync with the actual state like whether we're
   // displaying a favicon, which controls the throbber. If we updated it here,
   // the throbber will show the default favicon for a split second when
   // navigating away from the new tab page.
   ScheduleUIUpdate(contents, content::INVALIDATE_TYPE_URL);
 
-  if (contents_is_selected)
+  if (contents_is_selected &&
+      (window()->IsActive() || action == chrome::NavigateParams::SHOW_WINDOW)) {
     contents->SetInitialFocus();
+  }
 }
 
 void Browser::ShowModalSigninWindow(profiles::BubbleViewMode mode,
                                     signin_metrics::AccessPoint access_point) {
   signin_view_controller_.ShowModalSignin(mode, this, access_point);
 }
 
 void Browser::CloseModalSigninWindow() {
   signin_view_controller_.CloseModalSignin();
 }
@@ skipping 1671 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         ui::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }