Implement the "first-party-only" cookie flag.

chrome/android/java/src/org/chromium/chrome/browser/cookies/CookiesFetcher.java

 // Copyright 2015 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.
 
 package org.chromium.chrome.browser.cookies;
 
 import android.content.Context;
 import android.os.AsyncTask;
 import android.util.Log;
 
@@ skipping 155 matching lines @@
                             cookie.getUrl(),
                             cookie.getName(),
                             cookie.getValue(),
                             cookie.getDomain(),
                             cookie.getPath(),
                             cookie.getCreationDate(),
                             cookie.getExpirationDate(),
                             cookie.getLastAccessDate(),
                             cookie.isSecure(),
                             cookie.isHttpOnly(),
+                            cookie.isFirstParty(),
                             cookie.getPriority()
                     );
                 }
             }
         }.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
     }
 
     /**
      * Ensure the incognito cookies are deleted when the incognito profile is gone.
      *
      * @param context Context for accessing the file system.
      * @return Whether or not the cookies were deleted.
      */
     public static boolean deleteCookiesIfNecessary(Context context) {
         try {
             CookiesFetcher fetcher = new CookiesFetcher(context);
             if (Profile.getLastUsedProfile().hasOffTheRecordProfile()) return false;
             fetcher.scheduleDeleteCookiesFile();
         } catch (RuntimeException e) {
             e.printStackTrace();
             return false;
         }
         return true;
     }
 
     @CalledByNative
     private CanonicalCookie createCookie(String url, String name, String value, String domain,
             String path, long creation, long expiration, long lastAccess, boolean secure,
-            boolean httpOnly, int priority) {
+            boolean httpOnly, boolean firstParty, int priority) {
         return new CanonicalCookie(url, name, value, domain, path, creation, expiration, lastAccess,
-                secure, httpOnly, priority);
+                secure, httpOnly, firstParty, priority);
     }
 
     @CalledByNative
     private void onCookieFetchFinished(final CanonicalCookie[] cookies) {
         // Cookies fetching requires operations with the profile and must be
         // done in the main thread. Once that is done, do the save to disk
         // part in {@link AsyncTask} to avoid strict mode violations.
         new AsyncTask<Void, Void, Void>() {
             @Override
             protected Void doInBackground(Void... voids) {
@@ skipping 71 matching lines @@
     private CanonicalCookie[] createCookiesArray(int size) {
         return new CanonicalCookie[size];
     }
 
     private native long nativeInit();
     private static native void nativeDestroy(long nativeCookiesFetcher);
     private native void nativePersistCookies(long nativeCookiesFetcher);
     private native void nativeRestoreCookies(long nativeCookiesFetcher,
             String url, String name, String value, String domain, String path,
             long creation, long expiration, long lastAccess, boolean secure,
-            boolean httpOnly, int priority);
+            boolean httpOnly, boolean firstParty, int priority);
 }