Cleanup popup related browser navigation code.

chrome/browser/ui/gtk/browser_window_gtk.cc

 // Copyright (c) 2011 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/gtk/browser_window_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include <dlfcn.h>
 #include <string>
@@ skipping 1102 matching lines @@
       FadeForInstant(false);
     else
       CancelInstantFade();
   }
 }
 
 gfx::Rect BrowserWindowGtk::GetInstantBounds() {
   return gtk_util::GetWidgetScreenBounds(contents_container_->widget());
 }
 
+WindowOpenDisposition BrowserWindowGtk::GetDispositionForPopupBounds(
+    const gfx::Rect& bounds) {
+  return NEW_POPUP;
+}
+
 void BrowserWindowGtk::ConfirmBrowserCloseWithPendingDownloads() {
   new DownloadInProgressDialogGtk(browser());
 }
 
 void BrowserWindowGtk::Observe(NotificationType type,
                                const NotificationSource& source,
                                const NotificationDetails& details) {
   switch (type.value) {
     case NotificationType::BOOKMARK_BAR_VISIBILITY_PREF_CHANGED:
       MaybeShowBookmarkBar(true);
@@ skipping 1216 matching lines @@
   // are taken from the WMs' source code.
   return (wm_name == "Blackbox" ||
           wm_name == "compiz" ||
           wm_name == "Compiz" ||
           wm_name == "e16" ||  // Enlightenment DR16
           wm_name == "Metacity" ||
           wm_name == "Mutter" ||
           wm_name == "Openbox" ||
           wm_name == "Xfwm4");
 }