Calls FireRefreshTokenRevoked if an account is removed.

chrome/browser/signin/android_profile_oauth2_token_service.h

 // Copyright 2013 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_SIGNIN_ANDROID_PROFILE_OAUTH2_TOKEN_SERVICE_H_
 #define CHROME_BROWSER_SIGNIN_ANDROID_PROFILE_OAUTH2_TOKEN_SERVICE_H_
 
 #include <jni.h>
 #include <string>
 
@@ skipping 24 matching lines @@
   // Returns a reference to the Java instance of this service.
   static jobject GetForProfile(
       JNIEnv* env, jclass clazz, jobject j_profile_android);
 
   virtual bool RefreshTokenIsAvailable(
       const std::string& account_id) const OVERRIDE;
 
   // Lists account IDs of all accounts with a refresh token.
   virtual std::vector<std::string> GetAccounts() OVERRIDE;
 
+  // Lists account at the OS level.
+  std::vector<std::string> GetSystemAccounts();
+
   void ValidateAccounts(JNIEnv* env,
                         jobject obj,
-                        jobjectArray accounts,
                         jstring current_account);
 
   // Takes a the signed in sync account as well as all the other
   // android account ids and check the token status of each.
-  void ValidateAccounts(const std::string& signed_in_account,
-                        const std::vector<std::string>& account_ids);
+  void ValidateAccounts(const std::string& signed_in_account);
+
+  bool ValidateAccounts(const std::string& signed_in_account,

[nyquist, 2014/04/24 22:27:05]

Why is this function public again? It seems to only be called from within
APO2TS?

Also, could you add a comment as to what the effects of calling this method is?
i.e. that refresh tokens are considered available or revoked.
Also, what does the bool return value describe?

+                        const std::vector<std::string>& prev_account_ids,
+                        const std::vector<std::string>& curr_account_ids);
 
   // Triggers a notification to all observers of the OAuth2TokenService that a
   // refresh token is now available. This may cause observers to retry
   // operations that require authentication.
   virtual void FireRefreshTokenAvailableFromJava(JNIEnv* env,
                                                  jobject obj,
                                                  const jstring account_name);
   // Triggers a notification to all observers of the OAuth2TokenService that a
   // refresh token is now available.
   virtual void FireRefreshTokenRevokedFromJava(JNIEnv* env,
                                                jobject obj,
                                                const jstring account_name);
   // Triggers a notification to all observers of the OAuth2TokenService that all
   // refresh tokens have now been loaded.
   virtual void FireRefreshTokensLoadedFromJava(JNIEnv* env, jobject obj);
 
+  // Overridden from OAuth2TokenService to complete signout of all
+  // OA2TService aware accounts.
+  virtual void RevokeAllCredentials() OVERRIDE;
+
  protected:
   friend class ProfileOAuth2TokenServiceFactory;
   AndroidProfileOAuth2TokenService();
   virtual ~AndroidProfileOAuth2TokenService();
 
   // Overridden from OAuth2TokenService to intercept token fetch requests and
   // redirect them to the Account Manager.
   virtual void FetchOAuth2Token(RequestImpl* request,
                                 const std::string& account_id,
                                 net::URLRequestContextGetter* getter,
@@ skipping 24 matching lines @@
   // Called to notify observers when refresh tokans have been loaded.
   virtual void FireRefreshTokensLoaded() OVERRIDE;
 
  private:
   base::android::ScopedJavaGlobalRef<jobject> java_ref_;
 
   DISALLOW_COPY_AND_ASSIGN(AndroidProfileOAuth2TokenService);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_ANDROID_PROFILE_OAUTH2_TOKEN_SERVICE_H_