Move c/b/google_apis to google_apis/drive.

chrome/browser/google_apis/auth_service_observer.h

Index: chrome/browser/google_apis/auth_service_observer.h
diff --git a/chrome/browser/google_apis/auth_service_observer.h b/chrome/browser/google_apis/auth_service_observer.h
deleted file mode 100644
index 44c5d0820c9aef12b7eb01488e892de6c603d3a5..0000000000000000000000000000000000000000
--- a/chrome/browser/google_apis/auth_service_observer.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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_GOOGLE_APIS_AUTH_SERVICE_OBSERVER_H_
-#define CHROME_BROWSER_GOOGLE_APIS_AUTH_SERVICE_OBSERVER_H_
-
-namespace google_apis {
-
-// Interface for classes that need to observe events from AuthService.
-// All events are notified on UI thread.
-class AuthServiceObserver {
- public:
-  // Triggered when a new OAuth2 refresh token is received from AuthService.
-  virtual void OnOAuth2RefreshTokenChanged() = 0;
-
- protected:
-  virtual ~AuthServiceObserver() {}
-};
-
-}  // namespace google_apis
-
-#endif  // CHROME_BROWSER_GOOGLE_APIS_AUTH_SERVICE_OBSERVER_H_