Rename "CheckWritable" to "PrepareForWritableApp" to reflect the actual behavior.

apps/launcher.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 "apps/launcher.h"
 
 #include "apps/browser/api/app_runtime/app_runtime_api.h"
 #include "apps/browser/file_handler_util.h"
 #include "apps/common/api/app_runtime.h"
 #include "base/command_line.h"
@@ skipping 28 matching lines @@
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/file_manager/filesystem_api_util.h"
 #include "chrome/browser/chromeos/login/users/user_manager.h"
 #endif
 
 namespace app_runtime = apps::api::app_runtime;
 
 using apps::file_handler_util::GrantedFileEntry;
 using content::BrowserThread;
-using extensions::app_file_handler_util::CheckWritableFiles;
+using extensions::app_file_handler_util::PrepareFilesForWritableApp;
 using extensions::app_file_handler_util::FileHandlerForId;
 using extensions::app_file_handler_util::FileHandlerCanHandleFile;
 using extensions::app_file_handler_util::FirstFileHandlerForFile;
 using extensions::app_file_handler_util::CreateFileEntry;
 using extensions::app_file_handler_util::HasFileSystemWritePermission;
 using extensions::EventRouter;
 using extensions::Extension;
 using extensions::ExtensionHost;
 using extensions::ExtensionSystem;
 
@@ skipping 47 matching lines @@
     if (file_path_.empty()) {
       LaunchPlatformAppWithNoData(profile_, extension_);
       return;
     }
 
     DCHECK(file_path_.IsAbsolute());
 
     if (HasFileSystemWritePermission(extension_)) {
       std::vector<base::FilePath> paths;
       paths.push_back(file_path_);
-      CheckWritableFiles(
+      PrepareFilesForWritableApp(
           paths,
           profile_,
           false,
           base::Bind(&PlatformAppPathLauncher::OnFileValid, this),
           base::Bind(&PlatformAppPathLauncher::OnFileInvalid, this));
       return;
     }
 
     OnFileValid();
   }
@@ skipping 276 matching lines @@
 void LaunchPlatformAppWithUrl(Profile* profile,
                               const Extension* extension,
                               const std::string& handler_id,
                               const GURL& url,
                               const GURL& referrer_url) {
   AppEventRouter::DispatchOnLaunchedEventWithUrl(
       profile, extension, handler_id, url, referrer_url);
 }
 
 }  // namespace apps