third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/php/src/Google/Protobuf/Internal/FileOptions_OptimizeMode.php

+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/protobuf/descriptor.proto
+
+/**
+ * <pre>
+ * Generated classes can be optimized for speed or code size.
+ * </pre>
+ *
+ * Protobuf enum <code>google.protobuf.FileOptions.OptimizeMode</code>
+ */
+namespace Google\Protobuf\Internal;
+
+class FileOptions_OptimizeMode
+{
+    /**
+     * <pre>
+     * Generate complete code for parsing, serialization,
+     * </pre>
+     *
+     * <code>SPEED = 1;</code>
+     */
+    const SPEED = 1;
+    /**
+     * <pre>
+     * etc.
+     * </pre>
+     *
+     * <code>CODE_SIZE = 2;</code>
+     */
+    const CODE_SIZE = 2;
+    /**
+     * <pre>
+     * Generate code using MessageLite and the lite runtime.
+     * </pre>
+     *
+     * <code>LITE_RUNTIME = 3;</code>
+     */
+    const LITE_RUNTIME = 3;
+}
+