Moving oauth code from host to base to allow code sharing between host and client.

remoting/base/oauth_token_getter.h

 // 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.
 
-#ifndef REMOTING_HOST_OAUTH_TOKEN_GETTER_H_
-#define REMOTING_HOST_OAUTH_TOKEN_GETTER_H_
+#ifndef REMOTING_BASE_OAUTH_TOKEN_GETTER_H_
+#define REMOTING_BASE_OAUTH_TOKEN_GETTER_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 
 namespace remoting {
 
 // OAuthTokenGetter caches OAuth access tokens and refreshes them as needed.
 class OAuthTokenGetter {
  public:
   // Status of the refresh token attempt.
   enum Status {
     // Success, credentials in user_email/access_token.
     SUCCESS,
     // Network failure (caller may retry).
     NETWORK_ERROR,
     // Authentication failure (permanent).
     AUTH_ERROR,
   };
 
   typedef base::Callback<void(Status status,
                               const std::string& user_email,
-                              const std::string& access_token)> TokenCallback;
+                              const std::string& access_token)>
+      TokenCallback;
 
   // This structure contains information required to perform
   // authentication to OAuth2.
   struct OAuthCredentials {
     // |is_service_account| should be True if the OAuth refresh token is for a
     // service account, False for a user account, to allow the correct client-ID
     // to be used.
     OAuthCredentials(const std::string& login,
                      const std::string& refresh_token,
                      bool is_service_account);
@@ skipping 17 matching lines @@
 
   // Invalidates the cache, so the next CallWithToken() will get a fresh access
   // token.
   virtual void InvalidateCache() = 0;
 
   DISALLOW_COPY_AND_ASSIGN(OAuthTokenGetter);
 };
 
 }  // namespace remoting
 
-#endif  // REMOTING_HOST_OAUTH_TOKEN_GETTER_H_
+#endif  // REMOTING_BASE_OAUTH_TOKEN_GETTER_H_