Update //third_party/protobuf to version 3.

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

Index: third_party/protobuf/src/google/protobuf/compiler/java/java_context.h
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_extension.h b/third_party/protobuf/src/google/protobuf/compiler/java/java_context.h
similarity index 52%
copy from third_party/protobuf/src/google/protobuf/compiler/java/java_extension.h
copy to third_party/protobuf/src/google/protobuf/compiler/java/java_context.h
index 009ed9ffacaf207d4fb6322dca43697499b32991..5b595d07fced4d0a4786644c8d56695abbd61680 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/java/java_extension.h
+++ b/third_party/protobuf/src/google/protobuf/compiler/java/java_context.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
@@ -28,45 +28,66 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
+#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__
+#define GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__
 
-#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_EXTENSION_H__
-#define GOOGLE_PROTOBUF_COMPILER_JAVA_EXTENSION_H__
-
-#include <string>
+#include <map>
+#include <memory>
+#ifndef _SHARED_PTR_H
+#include <google/protobuf/stubs/shared_ptr.h>
+#endif
+#include <vector>
 
 #include <google/protobuf/stubs/common.h>
 
 namespace google {
 namespace protobuf {
-  class FieldDescriptor;       // descriptor.h
-  namespace io {
-    class Printer;             // printer.h
+  class FileDescriptor;
+  class FieldDescriptor;
+  class OneofDescriptor;
+  class Descriptor;
+  namespace compiler {
+    namespace java {
+      class ClassNameResolver;  // name_resolver.h
+    }
   }
-}
+}  // namespace protobuf
 
 namespace protobuf {
 namespace compiler {
 namespace java {
 
-// 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 {
+struct FieldGeneratorInfo;
+struct OneofGeneratorInfo;
+// A context object holds the information that is shared among all code
+// generators.
+class Context {
  public:
-  explicit ExtensionGenerator(const FieldDescriptor* descriptor);
-  ~ExtensionGenerator();
+  explicit Context(const FileDescriptor* file);
+  ~Context();
+
+  // Get the name resolver associated with this context. The resolver
+  // can be used to map descriptors to Java class names.
+  ClassNameResolver* GetNameResolver();
 
-  void Generate(io::Printer* printer);
-  void GenerateNonNestedInitializationCode(io::Printer* printer);
-  void GenerateRegistrationCode(io::Printer* printer);
+  // Get the FieldGeneratorInfo for a given field.
+  const FieldGeneratorInfo* GetFieldGeneratorInfo(
+      const FieldDescriptor* field) const;
+
+  // Get the OneofGeneratorInfo for a given oneof.
+  const OneofGeneratorInfo* GetOneofGeneratorInfo(
+      const OneofDescriptor* oneof) const;
 
  private:
-  const FieldDescriptor* descriptor_;
-  string scope_;
-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionGenerator);
+  void InitializeFieldGeneratorInfo(const FileDescriptor* file);
+  void InitializeFieldGeneratorInfoForMessage(const Descriptor* message);
+  void InitializeFieldGeneratorInfoForFields(
+      const vector<const FieldDescriptor*>& fields);
+
+  google::protobuf::scoped_ptr<ClassNameResolver> name_resolver_;
+  map<const FieldDescriptor*, FieldGeneratorInfo> field_generator_info_map_;
+  map<const OneofDescriptor*, OneofGeneratorInfo> oneof_generator_info_map_;
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Context);
 };
 
 }  // namespace java
@@ -74,4 +95,4 @@ class ExtensionGenerator {
 }  // namespace protobuf
 
 }  // namespace google
-#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_MESSAGE_H__
+#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__