Adds clipping to the tabs when stacked. This is necessary so we don't

chrome/browser/ui/views/tabs/touch_tab_strip_layout.cc

 // Copyright (c) 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/views/tabs/touch_tab_strip_layout.h"
 
 #include <stdio.h>
 
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
@@ skipping 138 matching lines @@
     ResetToIdealState();
     return;
   }
   SetIdealBoundsAt(active_index(), ConstrainActiveX(ideal_x(active_index())));
   LayoutByTabOffsetAfter(active_index());
   LayoutByTabOffsetBefore(active_index());
   AdjustStackedTabs();
 }
 
 bool TouchTabStripLayout::IsStacked(int index) const {
-  if (index == active_index() || tab_count() == mini_tab_count_)
+  if (index == active_index() || tab_count() == mini_tab_count_ ||
+      index < mini_tab_count_)
     return false;
   if (index > active_index())
     return ideal_x(index) != ideal_x(index - 1) + tab_offset();
   return ideal_x(index + 1) != ideal_x(index) + tab_offset();
 }
 
 #if !defined(NDEBUG)
 std::string TouchTabStripLayout::BoundsString() const {
   std::string result;
   for (int i = 0; i < view_model_->view_size(); ++i) {
@@ skipping 263 matching lines @@
 }
 
 int TouchTabStripLayout::GetMinXCompressed(int index) const {
   DCHECK_GT(index, active_index());
   return std::max(
       width_ - width_for_count(tab_count() - index),
       ideal_x(active_index()) +
           stacked_padding_for_count(index - active_index()));
 
 }