diff -r 000000000000 -r 6474c204b198 mobile/android/base/sync/InfoCounts.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/sync/InfoCounts.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,67 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.sync;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import org.mozilla.gecko.background.common.log.Logger;
+
+public class InfoCounts {
+  static final String LOG_TAG = "InfoCounts";
+
+  /**
+   * Counts fetched from the server, or <code>null</code> if not yet fetched.
+   */
+  private Map<String, Integer> counts = null;
+
+  @SuppressWarnings("unchecked")
+  public InfoCounts(final ExtendedJSONObject record) {
+    Logger.debug(LOG_TAG, "info/collection_counts is " + record.toJSONString());
+    HashMap<String, Integer> map = new HashMap<String, Integer>();
+
+    Set<Entry<String, Object>> entrySet = record.object.entrySet();
+
+    String key;
+    Object value;
+
+    for (Entry<String, Object> entry : entrySet) {
+      key = entry.getKey();
+      value = entry.getValue();
+
+      if (value instanceof Integer) {
+        map.put(key, (Integer) value);
+        continue;
+      }
+
+      if (value instanceof Long) {
+        map.put(key, ((Long) value).intValue());
+        continue;
+      }
+
+      Logger.warn(LOG_TAG, "Skipping info/collection_counts entry for " + key);
+    }
+
+    this.counts = Collections.unmodifiableMap(map);
+  }
+
+  /**
+   * Return the server count for the given collection, or null if the counts
+   * have not been fetched or the given collection does not have a count.
+   *
+   * @param collection
+   *          The collection to inspect.
+   * @return the number of elements in the named collection.
+   */
+  public Integer getCount(String collection) {
+    if (counts == null) {
+      return null;
+    }
+    return counts.get(collection);
+  }
+}