Pull cacheinvalidations code directory into chromium repo.

third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/external/client/InvalidationClientFactory.java

Index: third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/external/client/InvalidationClientFactory.java
diff --git a/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/external/client/InvalidationClientFactory.java b/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/external/client/InvalidationClientFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..a40854a1a0638b633313c86c05645ea03fa7569c
--- /dev/null
+++ b/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/external/client/InvalidationClientFactory.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.ipc.invalidation.external.client;
+
+import com.google.ipc.invalidation.ticl.InvalidationClientCore;
+import com.google.ipc.invalidation.ticl.InvalidationClientImpl;
+import com.google.ipc.invalidation.ticl.proto.ClientProtocol.ClientConfigP;
+
+import java.util.Random;
+
+/**
+ * Factory for creating invalidation clients.
+ *
+ */
+public class InvalidationClientFactory {
+  /**
+   * Constructs an invalidation client library instance.
+   *
+   * @param resources {@link SystemResources} to use for logging, scheduling, persistence, and
+   *     network connectivity
+   * @param clientConfig application provided configuration for the client.
+   * @param listener callback object for invalidation events
+   */
+  public static InvalidationClient createClient(SystemResources resources,
+      InvalidationClientConfig clientConfig, InvalidationListener listener) {
+    ClientConfigP.Builder internalConfigBuilder = InvalidationClientCore.createConfig().toBuilder();
+    internalConfigBuilder.allowSuppression = clientConfig.allowSuppression;
+    ClientConfigP internalConfig = internalConfigBuilder.build();
+    Random random = new Random(resources.getInternalScheduler().getCurrentTimeMs());
+    return new InvalidationClientImpl(resources, random, clientConfig.clientType,
+        clientConfig.clientName, internalConfig, clientConfig.applicationName, listener);
+  }
+
+  private InvalidationClientFactory() {} // Prevents instantiation.
+}