Revert of Don't install OEM default apps for enterprise users

chrome/browser/extensions/external_provider_impl.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_PROVIDER_IMPL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PROVIDER_IMPL_H_
 
 #include <set>
 #include <string>
 
@@ skipping 71 matching lines @@
 
   void set_install_immediately(bool install_immediately) {
     install_immediately_ = install_immediately;
   }
 
  private:
   bool HandleMinProfileVersion(const base::DictionaryValue* extension,
                                const std::string& extension_id,
                                std::set<std::string>* unsupported_extensions);
 
-  bool HandleInstalledByOem(const base::DictionaryValue* extension,
-                            const std::string& extension_id,
-                            std::set<std::string>* unsupported_extensions,
-                            int* creation_flags);
-
   // Location for external extensions that are provided by this provider from
   // local crx files.
   const Manifest::Location crx_location_;
 
   // Location for external extensions that are provided by this provider from
   // update URLs.
   const Manifest::Location download_location_;
 
   // Weak pointer to the object that consumes the external extensions.
   // This is zeroed out by: ServiceShutdown()
@@ skipping 23 matching lines @@
 
   // Whether the extensions from this provider should be installed immediately.
   bool install_immediately_;
 
   DISALLOW_COPY_AND_ASSIGN(ExternalProviderImpl);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PROVIDER_IMPL_H_