Add a flag that lets the webstore show a different UI on app install.

chrome/browser/ui/views/tabs/tab_strip.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/views/tabs/tab_strip.h"
 
 #include <algorithm>
 #include <iterator>
 #include <vector>
 
@@ skipping 171 matching lines @@
   // of the containing Window's client area so that regular events can be
   // processed for them.
   return false;
 }
 
 void TabStrip::SetBackgroundOffset(const gfx::Point& offset) {
   for (int i = 0; i < tab_count(); ++i)
     GetTabAtTabDataIndex(i)->set_background_offset(offset);
 }
 
+views::View* TabStrip::GetNewTabButton() {
+  return newtab_button_;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // TabStrip, BaseTabStrip implementation:
 
 void TabStrip::PrepareForCloseAt(int model_index) {
   if (!in_tab_close_ && IsAnimating()) {
     // Cancel any current animations. We do this as remove uses the current
     // ideal bounds and we need to know ideal bounds is in a good state.
     StopAnimating(true);
   }
 
@@ skipping 826 matching lines @@
   }
   return mini_count;
 }
 
 bool TabStrip::IsPointInTab(Tab* tab,
                             const gfx::Point& point_in_tabstrip_coords) {
   gfx::Point point_in_tab_coords(point_in_tabstrip_coords);
   View::ConvertPointToView(this, tab, &point_in_tab_coords);
   return tab->HitTest(point_in_tab_coords);
 }