Change other usages of .size() to .empty() when applicable.

views/controls/tabbed_pane/native_tabbed_pane_win.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 "views/controls/tabbed_pane/native_tabbed_pane_win.h"
 
 #include <vssym32.h>
 
 #include "base/logging.h"
 #include "base/stl_util-inl.h"
@@ skipping 292 matching lines @@
   DWORD sys_color = ::GetSysColor(COLOR_3DHILIGHT);
   SkColor color = SkColorSetRGB(GetRValue(sys_color), GetGValue(sys_color),
                                 GetBValue(sys_color));
   root_view->set_background(Background::CreateSolidBackground(color));
 
   content_window_->SetFocusTraversableParentView(this);
 
   NativeControlCreated(tab_control);
 
   // Add tabs that are already added if any.
-  if (tab_views_.size() > 0) {
+  if (!tab_views_.empty()) {
     InitializeTabs();
     if (selected_index_ >= 0)
       DoSelectTabAt(selected_index_, false);
   }
 
   ResizeContents();
 }
 
 bool NativeTabbedPaneWin::ProcessMessage(UINT message,
                                          WPARAM w_param,
@@ skipping 70 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTabbedPaneWrapper, public:
 
 // static
 NativeTabbedPaneWrapper* NativeTabbedPaneWrapper::CreateNativeWrapper(
     TabbedPane* tabbed_pane) {
   return new NativeTabbedPaneWin(tabbed_pane);
 }
 
 }  // namespace views