Make Easy Unlock app have separate instance in incognito

chrome/browser/signin/easy_unlock_service.cc

 // Copyright 2014 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/signin/easy_unlock_service.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 506 matching lines @@
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kEasyUnlockAppPath)) {
     easy_unlock_path =
         command_line->GetSwitchValuePath(switches::kEasyUnlockAppPath);
   }
 #endif  // !defined(NDEBUG)
 
   if (!easy_unlock_path.empty()) {
     extensions::ComponentLoader* loader = GetComponentLoader(profile_);
-    if (!loader->Exists(extension_misc::kEasyUnlockAppId))
-      loader->Add(IDR_EASY_UNLOCK_MANIFEST, easy_unlock_path);
+    if (!loader->Exists(extension_misc::kEasyUnlockAppId)) {
+      int manifest_id =
+          GetType() == TYPE_REGULAR ? IDR_EASY_UNLOCK_MANIFEST :
+                                      IDR_EASY_UNLOCK_MANIFEST_SIGNIN;
+      loader->Add(manifest_id, easy_unlock_path);
+    }
 
     ExtensionService* extension_service =
         extensions::ExtensionSystem::Get(profile_)->extension_service();
     extension_service->EnableExtension(extension_misc::kEasyUnlockAppId);
 
     NotifyUserUpdated();
   }
 #endif  // defined(GOOGLE_CHROME_BUILD)
 }
 
@@ skipping 180 matching lines @@
 
   // TODO(tbarzic): Set check_private_key only if previous sign-in attempt
   // failed.
   EasyUnlockTpmKeyManagerFactory::GetInstance()->Get(profile_)
       ->PrepareTpmKey(true /* check_private_key */,
                       base::Closure());
 #endif  // defined(OS_CHROMEOS)
 
   tpm_key_checked_ = true;
 }