Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

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/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 93 matching lines @@
   tasks->swap(filtered);
 }
 
 // Returns true if the given task is a handler by built-in apps like Files.app
 // itself or QuickOffice etc. They are used as the initial default app.
 bool IsFallbackFileHandler(const file_tasks::TaskDescriptor& task) {
   if (task.task_type != file_tasks::TASK_TYPE_FILE_BROWSER_HANDLER &&
       task.task_type != file_tasks::TASK_TYPE_FILE_HANDLER)
     return false;
 
-  const char* kBuiltInApps[] = {
+  const char* const kBuiltInApps[] = {
     kFileManagerAppId,
     kVideoPlayerAppId,
     kGalleryAppId,
     extension_misc::kQuickOfficeComponentExtensionId,
     extension_misc::kQuickOfficeInternalExtensionId,
     extension_misc::kQuickOfficeExtensionId,
   };
 
   for (size_t i = 0; i < arraysize(kBuiltInApps); ++i) {
     if (task.app_id == kBuiltInApps[i])
@@ skipping 393 matching lines @@
     DCHECK(!task->is_default());
     if (IsFallbackFileHandler(task->task_descriptor())) {
       task->set_is_default(true);
       return;
     }
   }
 }
 
 }  // namespace file_tasks
 }  // namespace file_manager