Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f

third_party/mojo/src/mojo/public/java/bindings/src/org/chromium/mojo/bindings/DataHeader.java

Index: third_party/mojo/src/mojo/public/java/bindings/src/org/chromium/mojo/bindings/DataHeader.java
diff --git a/third_party/mojo/src/mojo/public/java/bindings/src/org/chromium/mojo/bindings/DataHeader.java b/third_party/mojo/src/mojo/public/java/bindings/src/org/chromium/mojo/bindings/DataHeader.java
new file mode 100644
index 0000000000000000000000000000000000000000..96acec943809b20a6ec30fc02dbea572a8ad7538
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/java/bindings/src/org/chromium/mojo/bindings/DataHeader.java
@@ -0,0 +1,70 @@
+// 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.mojo.bindings;
+
+/**
+ * The header for a mojo complex element.
+ */
+public final class DataHeader {
+    /**
+     * The size of a serialized header, in bytes.
+     */
+    public static final int HEADER_SIZE = 8;
+
+    /**
+     * The offset of the size field.
+     */
+    public static final int SIZE_OFFSET = 0;
+
+    /**
+     * The offset of the number of fields field.
+     */
+    public static final int ELEMENTS_OR_VERSION_OFFSET = 4;
+
+    /**
+     * The size of the object owning this header.
+     */
+    public final int size;
+
+    /**
+     * Number of element (for an array) or version (for a struct) of the object owning this
+     * header.
+     */
+    public final int elementsOrVersion;
+
+    /**
+     * Constructor.
+     */
+    public DataHeader(int size, int elementsOrVersion) {
+        super();
+        this.size = size;
+        this.elementsOrVersion = elementsOrVersion;
+    }
+
+    /**
+     * @see Object#hashCode()
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + elementsOrVersion;
+        result = prime * result + size;
+        return result;
+    }
+
+    /**
+     * @see Object#equals(Object)
+     */
+    @Override
+    public boolean equals(Object object) {
+        if (object == this) return true;
+        if (object == null) return false;
+        if (getClass() != object.getClass()) return false;
+
+        DataHeader other = (DataHeader) object;
+        return (elementsOrVersion == other.elementsOrVersion && size == other.size);
+    }
+}