Cleanup popup related browser navigation code.

chrome/browser/ui/panels/panel.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/panels/panel.h"
 
 #include "base/logging.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #include "ui/gfx/rect.h"
@@ skipping 324 matching lines @@
 
 void Panel::HideInstant(bool instant_is_active) {
   NOTIMPLEMENTED();
 }
 
 gfx::Rect Panel::GetInstantBounds() {
   NOTIMPLEMENTED();
   return gfx::Rect();
 }
 
+WindowOpenDisposition Panel::GetDispositionForPopupBounds(
+    const gfx::Rect& bounds) {
+  NOTIMPLEMENTED();
+  return NEW_POPUP;
+}
+
 #if defined(OS_CHROMEOS)
 void Panel::ShowKeyboardOverlay(gfx::NativeWindow owning_window) {
   NOTIMPLEMENTED();
 }
 #endif
 
 void Panel::DestroyBrowser() {
   NOTIMPLEMENTED();
 }