Update third_party/protobuf to protobuf-v3.0.0-beta-3

third_party/protobuf/src/google/protobuf/compiler/mock_code_generator.cc

Index: third_party/protobuf/src/google/protobuf/compiler/mock_code_generator.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/mock_code_generator.cc b/third_party/protobuf/src/google/protobuf/compiler/mock_code_generator.cc
index 121d917b931a3b75a22da962fea91e25421f08e3..82bb342747c888cdaa4a602d74fa9d267c75ea9e 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/mock_code_generator.cc
+++ b/third_party/protobuf/src/google/protobuf/compiler/mock_code_generator.cc
@@ -32,20 +32,26 @@
 
 #include <google/protobuf/compiler/mock_code_generator.h>
 
+#include <stdlib.h>
+#include <iostream>
 #include <memory>
 #ifndef _SHARED_PTR_H
 #include <google/protobuf/stubs/shared_ptr.h>
 #endif
+#include <vector>
 
+#include <google/protobuf/stubs/logging.h>
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/testing/file.h>
+#include <google/protobuf/testing/file.h>
+#include <google/protobuf/testing/file.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/descriptor.h>
-#include <google/protobuf/io/zero_copy_stream.h>
-#include <google/protobuf/io/printer.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
 #include <gtest/gtest.h>
-#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {