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

third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_source_generator_base.cc

Index: third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_source_generator_base.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_source_generator_base.cc b/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_source_generator_base.cc
index 735d164a48f3157513c5f92f4f10cf5dc772ca67..16411e49c70475bd7fad184a168d453b39e3c4d0 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_source_generator_base.cc
+++ b/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_source_generator_base.cc
@@ -39,14 +39,17 @@
 
 #include <google/protobuf/compiler/csharp/csharp_source_generator_base.h>
 #include <google/protobuf/compiler/csharp/csharp_helpers.h>
+#include <google/protobuf/compiler/csharp/csharp_names.h>
+#include <google/protobuf/compiler/csharp/csharp_options.h>
 
 namespace google {
 namespace protobuf {
 namespace compiler {
 namespace csharp {
 
-SourceGeneratorBase::SourceGeneratorBase(const FileDescriptor* descriptor)
-    : descriptor_(descriptor) {
+SourceGeneratorBase::SourceGeneratorBase(const FileDescriptor* descriptor,
+                                         const Options *options)
+    : descriptor_(descriptor), options_(options) {
 }
 
 SourceGeneratorBase::~SourceGeneratorBase() {
@@ -57,7 +60,11 @@ void SourceGeneratorBase::WriteGeneratedCodeAttributes(io::Printer* printer) {
 }
 
 std::string SourceGeneratorBase::class_access_level() {
-  return IsDescriptorProto(descriptor_) ? "internal" : "public";  // public_classes is always on.
+  return (IsDescriptorProto(descriptor_) || this->options()->internal_access) ? "internal" : "public";
+}
+
+const Options* SourceGeneratorBase::options() {
+  return this->options_;
 }
 
 }  // namespace csharp