Unify HasGDocFileExtension and IsHostedDocumentByExtentoin.

chrome/browser/chromeos/file_manager/file_tasks.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/chromeos/file_manager/file_tasks.h"
 
 #include "apps/launcher.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
@@ skipping 71 matching lines @@
 
 // Legacy Drive task extension prefix, used by CrackTaskID.
 const char kDriveTaskExtensionPrefix[] = "drive-app:";
 const size_t kDriveTaskExtensionPrefixLength =
     arraysize(kDriveTaskExtensionPrefix) - 1;
 
 // Returns true if path_mime_set contains a Google document.
 bool ContainsGoogleDocument(const PathAndMimeTypeSet& path_mime_set) {
   for (PathAndMimeTypeSet::const_iterator iter = path_mime_set.begin();
        iter != path_mime_set.end(); ++iter) {
-    std::string extension =
-        base::FilePath(iter->first.Extension()).AsUTF8Unsafe();
-    if (drive::util::IsHostedDocumentByExtension(extension))
+    if (drive::util::HasHostedDocumentExtension(iter->first))
       return true;
   }
   return false;
 }
 
 // Leaves tasks handled by the file manger itself as is and removes all others.
 void KeepOnlyFileManagerInternalTasks(std::vector<FullTaskDescriptor>* tasks) {
   std::vector<FullTaskDescriptor> filtered;
   for (size_t i = 0; i < tasks->size(); ++i) {
     if ((*tasks)[i].task_descriptor().app_id == kFileManagerAppId)
@@ skipping 438 matching lines @@
     DCHECK(!task->is_default());
     if (IsFallbackFileHandler(task->task_descriptor())) {
       task->set_is_default(true);
       return;
     }
   }
 }
 
 }  // namespace file_tasks
 }  // namespace file_manager