Introduce a stable set of errors for inline install

chrome/browser/chromeos/extensions/file_manager/private_api_misc.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/extensions/file_manager/private_api_misc.h"
 
 #include "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "ash/frame/frame_util.h"
 #include "base/files/file_path.h"
@@ skipping 265 matching lines @@
           params->item_id,
           GetProfile(),
           callback));
   // installer will be AddRef()'d in BeginInstall().
   installer->BeginInstall();
   return true;
 }
 
 void FileBrowserPrivateInstallWebstoreItemFunction::OnInstallComplete(
     bool success,
-    const std::string& error) {
+    const std::string& error,
+    extensions::webstore_install::Result result) {
   drive::EventLogger* logger = file_manager::util::GetLogger(GetProfile());
   if (success) {
     if (logger) {
       logger->Log(logging::LOG_INFO,
                   "App install succeeded. (item id: %s)",
                   webstore_item_id_.c_str());
     }
   } else {
     if (logger) {
       logger->Log(logging::LOG_ERROR,
@@ skipping 173 matching lines @@
       NOTREACHED();
       SetError(
           base::StringPrintf("Unexpected inspection type(%d) is specified.",
                              static_cast<int>(params->type)));
       return false;
   }
   return true;
 }
 
 }  // namespace extensions