Cleanup popup related browser navigation code.

chrome/test/test_browser_window.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/test/test_browser_window.h"
 
 #include "ui/gfx/rect.h"
 
 TestBrowserWindow::TestBrowserWindow(Browser* browser) {}
 
@@ skipping 73 matching lines @@
   return NULL;
 }
 
 int TestBrowserWindow::GetExtraRenderViewHeight() const {
   return 0;
 }
 
 gfx::Rect TestBrowserWindow::GetInstantBounds() {
   return gfx::Rect();
 }
+
+WindowOpenDisposition TestBrowserWindow::GetDispositionForPopupBounds(
+    const gfx::Rect& bounds) {
+  return NEW_POPUP;
+}