cros: Added a new function to quick unlock api for checking unfinished pins.

chrome/browser/chromeos/extensions/quick_unlock_private/quick_unlock_private_api.h

 // Copyright 2016 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_CHROMEOS_EXTENSIONS_QUICK_UNLOCK_PRIVATE_QUICK_UNLOCK_PRIVATE_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_QUICK_UNLOCK_PRIVATE_QUICK_UNLOCK_PRIVATE_API_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/extensions/chrome_extension_function_details.h"
@@ skipping 38 matching lines @@
 
   // ExtensionFunction overrides.
   ResponseAction Run() override;
 
  private:
   ChromeExtensionFunctionDetails chrome_details_;
 
   DISALLOW_COPY_AND_ASSIGN(QuickUnlockPrivateGetActiveModesFunction);
 };
 
+class QuickUnlockPrivateCheckCredentialFunction
+    : public UIThreadExtensionFunction {

[jdufault, 2016/11/01 18:56:44]

Is this the output from `git cl format`?

[sammiequon, 2016/11/02 18:05:25]

Yes. Confirmed by running it again.

+ public:
+  QuickUnlockPrivateCheckCredentialFunction();
+  DECLARE_EXTENSION_FUNCTION("quickUnlockPrivate.checkCredential",
+                             QUICKUNLOCKPRIVATE_ISCREDENTIALUSABLE);
+
+ protected:
+  ~QuickUnlockPrivateCheckCredentialFunction() override;
+
+  // ExtensionFunction overrides.
+  ResponseAction Run() override;
+
+ private:
+  ChromeExtensionFunctionDetails chrome_details_;
+  std::unique_ptr<api::quick_unlock_private::CheckCredential::Params> params_;
+
+  DISALLOW_COPY_AND_ASSIGN(QuickUnlockPrivateCheckCredentialFunction);
+};
+
 class QuickUnlockPrivateSetModesFunction : public UIThreadExtensionFunction,
                                            public chromeos::AuthStatusConsumer {
  public:
   using AuthenticatorAllocator =
       base::Callback<chromeos::ExtendedAuthenticator*(
           chromeos::AuthStatusConsumer* auth_status_consumer)>;
   using QuickUnlockMode =
       extensions::api::quick_unlock_private::QuickUnlockMode;
   using ModesChangedEventHandler =
       base::Callback<void(const std::vector<QuickUnlockMode>&)>;
@@ skipping 35 matching lines @@
 
   AuthenticatorAllocator authenticator_allocator_;
   ModesChangedEventHandler modes_changed_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(QuickUnlockPrivateSetModesFunction);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_QUICK_UNLOCK_PRIVATE_QUICK_UNLOCK_PRIVATE_API_H_