Update //third_party/protobuf to version 3.

third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_names.h

Index: third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_names.h
diff --git a/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_extension.h b/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_names.h
similarity index 50%
copy from third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_extension.h
copy to third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_names.h
index 50ad035ba8ff80ac5fd0f1d18b4d97b48116aee2..308051871c1027631c3d91511016a6a78f1421b4 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_extension.h
+++ b/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_names.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
@@ -31,56 +31,73 @@
 // Author: kenton@google.com (Kenton Varda)
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
+//
+// Provides a mechanism for mapping a descriptor to the
+// fully-qualified name of the corresponding C# class.
 
-#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_EXTENSION_H__
-#define GOOGLE_PROTOBUF_COMPILER_CPP_EXTENSION_H__
+#ifndef GOOGLE_PROTOBUF_COMPILER_CSHARP_NAMES_H__
+#define GOOGLE_PROTOBUF_COMPILER_CSHARP_NAMES_H__
 
 #include <string>
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/compiler/cpp/cpp_options.h>
 
 namespace google {
 namespace protobuf {
-  class FieldDescriptor;       // descriptor.h
-  namespace io {
-    class Printer;             // printer.h
-  }
-}
-
-namespace protobuf {
-namespace compiler {
-namespace cpp {
 
-// Generates code for an extension, which may be within the scope of some
-// message or may be at file scope.  This is much simpler than FieldGenerator
-// since extensions are just simple identifiers with interesting types.
-class ExtensionGenerator {
- public:
-  // See generator.cc for the meaning of dllexport_decl.
-  explicit ExtensionGenerator(const FieldDescriptor* desycriptor,
-                              const Options& options);
-  ~ExtensionGenerator();
+class Descriptor;
+class EnumDescriptor;
+class FileDescriptor;
+class ServiceDescriptor;
 
-  // Header stuff.
-  void GenerateDeclaration(io::Printer* printer);
+namespace compiler {
+namespace csharp {
 
-  // Source file stuff.
-  void GenerateDefinition(io::Printer* printer);
+// Requires:
+//   descriptor != NULL
+//
+// Returns:
+//   The namespace to use for given file descriptor.
+string GetFileNamespace(const FileDescriptor* descriptor);
 
-  // Generate code to register the extension.
-  void GenerateRegistration(io::Printer* printer);
+// Requires:
+//   descriptor != NULL
+//
+// Returns:
+//   The fully-qualified C# class name.
+string GetClassName(const Descriptor* descriptor);
 
- private:
-  const FieldDescriptor* descriptor_;
-  string type_traits_;
-  Options options_;
+// Requires:
+//   descriptor != NULL
+//
+// Returns:
+//   The fully-qualified name of the C# class that provides
+//   access to the file descriptor. Proto compiler generates
+//   such class for each .proto file processed.
+string GetReflectionClassName(const FileDescriptor* descriptor);
 
-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionGenerator);
-};
+// Generates output file name for given file descriptor. If generate_directories
+// is true, the output file will be put under directory corresponding to file's
+// namespace. base_namespace can be used to strip some of the top level
+// directories. E.g. for file with namespace "Bar.Foo" and base_namespace="Bar",
+// the resulting file will be put under directory "Foo" (and not "Bar/Foo").
+//
+// Requires:
+//   descriptor != NULL
+//   error != NULL
+//
+//  Returns:
+//    The file name to use as output file for given file descriptor. In case
+//    of failure, this function will return empty string and error parameter
+//    will contain the error message.
+string GetOutputFile(
+    const google::protobuf::FileDescriptor* descriptor,
+    const string file_extension,
+    const bool generate_directories,
+    const string base_namespace,
+    string* error);
 
-}  // namespace cpp
+}  // namespace csharp
 }  // namespace compiler
 }  // namespace protobuf
-
 }  // namespace google
-#endif  // GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__
+
+#endif  // GOOGLE_PROTOBUF_COMPILER_CSHARP_NAMES_H__