When the chrome window is maximized, make sure the new tab button extends

chrome/browser/ui/views/tabs/browser_tab_strip_controller.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/browser_tab_strip_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
+#include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/tabs/tab_strip_selection_model.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/tabs/tab_menu_model.h"
 #include "chrome/browser/ui/views/tabs/base_tab_strip.h"
 #include "chrome/browser/ui/views/tabs/tab_renderer_data.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/user_metrics.h"
 #include "content/common/notification_service.h"
@@ skipping 285 matching lines @@
   UserMetrics::RecordAction(UserMetricsAction("NewTab_Button"));
 
   model_->delegate()->AddBlankTab(true);
 }
 
 void BrowserTabStripController::ClickActiveTab(int index) {
   DCHECK(model_->active_index() == index);
   model_->ActiveTabClicked(index);
 }
 
+bool BrowserTabStripController::SizeTabButtonToTopOfTabStrip() {
+  if (browser_defaults::kSizeTabButtonToTopOfTabStrip)
+    return true;
+
+  if (browser_ && browser_->window())
+    return browser_->window()->IsMaximized();
+
+  return false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserTabStripController, TabStripModelObserver implementation:
 
 void BrowserTabStripController::TabInsertedAt(TabContentsWrapper* contents,
                                               int model_index,
                                               bool active) {
   DCHECK(contents);
   DCHECK(model_index == TabStripModel::kNoTab ||
          model_->ContainsIndex(model_index));
 
@@ skipping 144 matching lines @@
 
 void BrowserTabStripController::StopHighlightTabsForCommand(
     TabStripModel::ContextMenuCommand command_id,
     BaseTab* tab) {
   if (command_id == TabStripModel::CommandCloseTabsToRight ||
       command_id == TabStripModel::CommandCloseOtherTabs) {
     // Just tell all Tabs to stop pulsing - it's safe.
     tabstrip_->StopAllHighlighting();
   }
 }