Upstream ResourceManager

ui/android/java/src/org/chromium/ui/resources/dynamics/DynamicResource.java

Index: ui/android/java/src/org/chromium/ui/resources/dynamics/DynamicResource.java
diff --git a/ui/android/java/src/org/chromium/ui/resources/dynamics/DynamicResource.java b/ui/android/java/src/org/chromium/ui/resources/dynamics/DynamicResource.java
new file mode 100644
index 0000000000000000000000000000000000000000..c31e25bccb3561077d90fb0779c51d44eaec5bd2
--- /dev/null
+++ b/ui/android/java/src/org/chromium/ui/resources/dynamics/DynamicResource.java
@@ -0,0 +1,24 @@
+// Copyright 2014 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.ui.resources.dynamics;
+
+import org.chromium.ui.resources.Resource;
+
+/**
+ * A representation of a dynamic resource.  The contents of the resource might change from frame to
+ * frame.
+ */
+public interface DynamicResource extends Resource {
+    /**
+     * Note that this is called for every access to the resource during a frame.  If a resource is
+     * dirty, it should not be dirty again during the same looper call.
+     *
+     * TODO(dtrainor): Add checks so that a dynamic resource **can't** be built more than once each
+     * frame.
+     *
+     * @return Whether or not this resource is dirty and the CC component should be rebuilt.
+     */
+    boolean isDirty();
+}