Implement the default tab opening behavior. Fix some linux build issues by adding missing includes.

chrome/browser/tabs/tab_strip_model.cc

 // Copyright (c) 2006-2008 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/tabs/tab_strip_model.h"
 
 #include <algorithm>
 
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
+#include "build/build_config.h"
 #include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/tabs/tab_strip_model_order_controller.h"
 #include "chrome/browser/tab_contents/navigation_controller.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/url_constants.h"
 
 namespace {
@@ skipping 313 matching lines @@
                                    int index,
                                    bool force_index,
                                    PageTransition::Type transition,
                                    bool foreground) {
   if (transition == PageTransition::LINK && !force_index) {
     // Only try to be clever if we're opening a LINK.
     index = order_controller_->DetermineInsertionIndex(
         contents, transition, foreground);
   } else {
     // For all other types, respect what was passed to us, normalizing -1s.
+#if defined(LINUX2)
+    index = 0;
+#else
     if (index < 0)
       index = count();
+#endif
   }
 
   // Tabs opened from links inherit the "group" attribute of the Tab from which
   // they were opened. This means when they're closed, that Tab will be
   // selected again.
   bool inherit_group = transition == PageTransition::LINK;
   if (!inherit_group) {
     // Also, any tab opened at the end of the TabStrip with a "TYPED"
     // transition inherit group as well. This covers the cases where the user
     // creates a New Tab (e.g. Ctrl+T, or clicks the New Tab button), or types
@@ skipping 223 matching lines @@
   int index = GetIndexOfTabContents(contents);
   contents_data_.at(index)->opener = &opener->controller();
 }
 
 // static
 bool TabStripModel::OpenerMatches(const TabContentsData* data,
                                   const NavigationController* opener,
                                   bool use_group) {
   return data->opener == opener || (use_group && data->group == opener);
 }