Rename RootWindowHost* to WindowTreeHost*

chrome/browser/extensions/api/bookmarks/bookmarks_api.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/extensions/api/bookmarks/bookmarks_api.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/i18n/file_util_icu.h"
 #include "base/i18n/time_formatting.h"
@@ skipping 930 matching lines @@
       this, new ChromeSelectFilePolicy(web_contents));
   ui::SelectFileDialog::FileTypeInfo file_type_info;
   file_type_info.extensions.resize(1);
   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("html"));
   gfx::NativeWindow owning_window = web_contents ?
       platform_util::GetTopLevel(web_contents->GetView()->GetNativeView())
           : NULL;
 #if defined(OS_WIN) && defined(USE_AURA)
   if (!owning_window &&
       chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH)
-    owning_window = aura::RemoteRootWindowHostWin::Instance()->GetAshWindow();
+    owning_window = aura::RemoteWindowTreeHostWin::Instance()->GetAshWindow();
 #endif
   // |web_contents| can be NULL (for background pages), which is fine. In such
   // a case if file-selection dialogs are forbidden by policy, we will not
   // show an InfoBar, which is better than letting one appear out of the blue.
   select_file_dialog_->SelectFile(type,
                                   base::string16(),
                                   default_path,
                                   &file_type_info,
                                   0,
                                   base::FilePath::StringType(),
@@ skipping 52 matching lines @@
 #if !defined(OS_ANDROID)
   // Android does not have support for the standard exporter.
   // TODO(jgreenwald): remove ifdef once extensions are no longer built on
   // Android.
   bookmark_html_writer::WriteBookmarks(GetProfile(), path, NULL);
 #endif
   Release();  // Balanced in BookmarksIOFunction::SelectFile()
 }
 
 }  // namespace extensions