Update //third_party/protobuf to version 3.

third_party/protobuf/src/google/protobuf/compiler/java/java_enum.h

Index: third_party/protobuf/src/google/protobuf/compiler/java/java_enum.h
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_enum.h b/third_party/protobuf/src/google/protobuf/compiler/java/java_enum.h
index 9a9e5742ac3b8590e2e2c00de5123e681a53494e..a0d91f5a551e3defdbd7a98d7b340dc025f7f62d 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/java/java_enum.h
+++ b/third_party/protobuf/src/google/protobuf/compiler/java/java_enum.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -41,6 +41,12 @@
 
 namespace google {
 namespace protobuf {
+  namespace compiler {
+    namespace java {
+      class Context;           // context.h
+      class ClassNameResolver; // name_resolver.h
+    }
+  }
   namespace io {
     class Printer;             // printer.h
   }
@@ -52,7 +58,9 @@ namespace java {
 
 class EnumGenerator {
  public:
-  explicit EnumGenerator(const EnumDescriptor* descriptor);
+  explicit EnumGenerator(const EnumDescriptor* descriptor,
+                         bool immutable_api,
+                         Context* context);
   ~EnumGenerator();
 
   void Generate(io::Printer* printer);
@@ -73,6 +81,11 @@ class EnumGenerator {
   };
   vector<Alias> aliases_;
 
+  bool immutable_api_;
+
+  Context* context_;
+  ClassNameResolver* name_resolver_;
+
   bool CanUseEnumValues();
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumGenerator);