Pull cacheinvalidations code directory into chromium repo.

third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/util/NamedRunnable.java

+/*
+ * 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.util;
+
+/**
+ * A wrapper around the {@link Runnable} interface that provides extra information (e.g., a name)
+ * for logging, monitoring, debugging, etc.
+ *
+ */
+public abstract class NamedRunnable implements Runnable {
+
+  /** The name of this runnable. */
+  private final String name;
+
+  /** Constructs a named runnable with the given name. */
+  public NamedRunnable(String name) {
+    Preconditions.checkNotNull(name, "name is null");
+    this.name = name;
+  }
+
+  @Override
+  public String toString() {
+    return name + ':' + super.toString();
+  }
+
+  public String getName() {
+    return name;
+  }
+}