Improve some naming

chrome/browser/ui/views/frame/opaque_browser_frame_view_linux.cc

 // Copyright (c) 2013 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/frame/opaque_browser_frame_view_linux.h"
 
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view.h"
 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.h"
@@ skipping 13 matching lines @@
   if (ui)
     ui->AddWindowButtonOrderObserver(this);
 }
 
 OpaqueBrowserFrameViewLinux::~OpaqueBrowserFrameViewLinux() {
   views::LinuxUI* ui = views::LinuxUI::instance();
   if (ui)
     ui->RemoveWindowButtonOrderObserver(this);
 }
 
-bool OpaqueBrowserFrameViewLinux::IsUsingNativeTheme() {
-  // On X11, this does the correct thing. On Windows, UsingNativeTheme() will
+bool OpaqueBrowserFrameViewLinux::IsUsingSystemTheme() {
+  // On X11, this does the correct thing. On Windows, UsingSystemTheme() will
   // return true when using the default blue theme too.
-  return theme_service_->UsingNativeTheme();
+  return theme_service_->UsingSystemTheme();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // OpaqueBrowserFrameViewLinux,
 //     views::WindowButtonOrderObserver implementation:
 
 void OpaqueBrowserFrameViewLinux::OnWindowButtonOrderingChange(
     const std::vector<views::FrameButton>& leading_buttons,
     const std::vector<views::FrameButton>& trailing_buttons) {
   layout_->SetButtonOrdering(leading_buttons, trailing_buttons);
@@ skipping 11 matching lines @@
 // OpaqueBrowserFrameViewObserver:
 
 // static
 OpaqueBrowserFrameViewPlatformSpecific*
 OpaqueBrowserFrameViewPlatformSpecific::Create(
       OpaqueBrowserFrameView* view,
       OpaqueBrowserFrameViewLayout* layout,
       Profile* profile) {
   return new OpaqueBrowserFrameViewLinux(view, layout, profile);
 }