Introduce a stable set of errors for inline install

chrome/browser/chromeos/extensions/file_manager/private_api_misc.h

 // 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.
 //
 // This file provides miscellaneous API functions, which don't belong to
 // other files.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_MISC_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_MISC_H_
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_base.h"
+#include "chrome/common/extensions/webstore_install_result.h"
 #include "google_apis/drive/gdata_errorcode.h"
 
 namespace google_apis {
 class AuthServiceInterface;
 }
 
 namespace extensions {
 
 // Implements the chrome.fileBrowserPrivate.logoutUserForReauthentication
 // method.
@@ skipping 79 matching lines @@
     : public LoggedAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.installWebstoreItem",
                              FILEBROWSERPRIVATE_INSTALLWEBSTOREITEM);
 
  protected:
   virtual ~FileBrowserPrivateInstallWebstoreItemFunction() {}
 
   // AsyncExtensionFunction overrides.
   virtual bool RunAsync() OVERRIDE;
-  void OnInstallComplete(bool success, const std::string& error);
+  void OnInstallComplete(bool success,
+                         const std::string& error,
+                         extensions::webstore_install::Result result);
 
  private:
   std::string webstore_item_id_;
 };
 
 class FileBrowserPrivateRequestWebStoreAccessTokenFunction
     : public LoggedAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.requestWebStoreAccessToken",
                              FILEBROWSERPRIVATE_REQUESTWEBSTOREACCESSTOKEN);
@@ skipping 47 matching lines @@
 
  protected:
   virtual ~FileBrowserPrivateOpenInspectorFunction() {}
 
   virtual bool RunSync() OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_MISC_H_