Files.app: Use the same file type associates as Windows on HTML files.

chrome/browser/chromeos/file_manager/open_with_browser.cc

 // Copyright 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/chromeos/file_manager/open_with_browser.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/path_service.h"
@@ skipping 34 matching lines @@
   FILE_PATH_LITERAL(".jpg"),
   FILE_PATH_LITERAL(".jpeg"),
   FILE_PATH_LITERAL(".png"),
   FILE_PATH_LITERAL(".webp"),
   FILE_PATH_LITERAL(".gif"),
   FILE_PATH_LITERAL(".txt"),
   FILE_PATH_LITERAL(".html"),
   FILE_PATH_LITERAL(".htm"),
   FILE_PATH_LITERAL(".mhtml"),
   FILE_PATH_LITERAL(".mht"),
+  FILE_PATH_LITERAL(".xhtml"),
+  FILE_PATH_LITERAL(".xht"),
+  FILE_PATH_LITERAL(".shtml"),
   FILE_PATH_LITERAL(".svg"),
 };
 
 // Returns true if |file_path| is viewable in the browser (ex. HTML file).
 bool IsViewableInBrowser(const base::FilePath& file_path) {
   for (size_t i = 0; i < arraysize(kFileExtensionsViewableInBrowser); i++) {
     if (file_path.MatchesExtension(kFileExtensionsViewableInBrowser[i]))
       return true;
   }
   return false;
@@ skipping 122 matching lines @@
       base::FilePath::FromUTF8Unsafe("dummy").AddExtension(file_extension);
   if (file_path.MatchesExtension(kPdfExtension))
     return IsPdfPluginEnabled(profile);
   if (file_path.MatchesExtension(kSwfExtension))
     return IsFlashPluginEnabled(profile);
   return false;
 }
 
 }  // namespace util
 }  // namespace file_manager