Update //third_party/protobuf to version 3.

third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_field.h

 // 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
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
@@ skipping 15 matching lines @@
 // 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_CPP_FIELD_H__
 #define GOOGLE_PROTOBUF_COMPILER_CPP_FIELD_H__
 
 #include <map>
+#include <memory>
+#ifndef _SHARED_PTR_H
+#include <google/protobuf/stubs/shared_ptr.h>
+#endif
 #include <string>
 
-#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/compiler/cpp/cpp_options.h>
 
 namespace google {
 namespace protobuf {
   namespace io {
     class Printer;             // printer.h
   }
 }
 
 namespace protobuf {
 namespace compiler {
 namespace cpp {
 
 // Helper function: set variables in the map that are the same for all
 // field code generators.
 // ['name', 'index', 'number', 'classname', 'declared_type', 'tag_size',
 // 'deprecation'].
 void SetCommonFieldVariables(const FieldDescriptor* descriptor,
                              map<string, string>* variables,
                              const Options& options);
 
+void SetCommonOneofFieldVariables(const FieldDescriptor* descriptor,
+                                  map<string, string>* variables);
+
 class FieldGenerator {
  public:
   FieldGenerator() {}
   virtual ~FieldGenerator();
 
   // Generate lines of code declaring members fields of the message class
   // needed to represent this field.  These are placed inside the message
   // class.
   virtual void GeneratePrivateMembers(io::Printer* printer) const = 0;
 
+  // Generate static default variable for this field. These are placed inside
+  // the message class. Most field types don't need this, so the default
+  // implementation is empty.
+  virtual void GenerateStaticMembers(io::Printer* /*printer*/) const {}
+
+  // Generate prototypes for accessors that will manipulate imported
+  // messages inline.  These are for .proto.h headers.
+  //
+  // In .proto.h mode, the headers of imports are not #included. However,
+  // functions that manipulate the imported message types need access to
+  // the class definition of the imported message, meaning that the headers
+  // must be #included. To get around this, functions that manipulate
+  // imported message objects are defined as dependent functions in a base
+  // template class. By making them dependent template functions, the
+  // function templates will not be instantiated until they are called, so
+  // we can defer to those translation units to #include the necessary
+  // generated headers.
+  //
+  // See:
+  // http://en.cppreference.com/w/cpp/language/class_template#Implicit_instantiation
+  //
+  // Most field types don't need this, so the default implementation is empty.
+  virtual void GenerateDependentAccessorDeclarations(
+      io::Printer* printer) const {}
+
   // Generate prototypes for all of the accessor functions related to this
   // field.  These are placed inside the class definition.
   virtual void GenerateAccessorDeclarations(io::Printer* printer) const = 0;
 
+  // Generate inline definitions of depenent accessor functions for this field.
+  // These are placed inside the header after all class definitions.
+  virtual void GenerateDependentInlineAccessorDefinitions(
+    io::Printer* printer) const {}
+
   // Generate inline definitions of accessor functions for this field.
   // These are placed inside the header after all class definitions.
+  // In non-.proto.h mode, this generates dependent accessor functions as well.
   virtual void GenerateInlineAccessorDefinitions(
-    io::Printer* printer) const = 0;
+    io::Printer* printer, bool is_inline) const = 0;
 
   // Generate definitions of accessors that aren't inlined.  These are
   // placed somewhere in the .cc file.
   // Most field types don't need this, so the default implementation is empty.
   virtual void GenerateNonInlineAccessorDefinitions(
-    io::Printer* printer) const {}
+    io::Printer* /*printer*/) const {}
 
   // Generate lines of code (statements, not declarations) which clear the
   // field.  This is used to define the clear_$name$() method as well as
   // the Clear() method for the whole message.
   virtual void GenerateClearingCode(io::Printer* printer) const = 0;
 
   // Generate lines of code (statements, not declarations) which merges the
   // contents of the field from the current message to the target message,
   // which is stored in the generated code variable "from".
   // This is used to fill in the MergeFrom method for the whole message.
   // Details of this usage can be found in message.cc under the
   // GenerateMergeFrom method.
   virtual void GenerateMergingCode(io::Printer* printer) const = 0;
 
   // Generate lines of code (statements, not declarations) which swaps
   // this field and the corresponding field of another message, which
   // is stored in the generated code variable "other". This is used to
   // define the Swap method. Details of usage can be found in
   // message.cc under the GenerateSwap method.
   virtual void GenerateSwappingCode(io::Printer* printer) const = 0;
 
   // Generate initialization code for private members declared by
   // GeneratePrivateMembers(). These go into the message class's SharedCtor()
   // method, invoked by each of the generated constructors.
   virtual void GenerateConstructorCode(io::Printer* printer) const = 0;
 
   // Generate any code that needs to go in the class's SharedDtor() method,
   // invoked by the destructor.
   // Most field types don't need this, so the default implementation is empty.
-  virtual void GenerateDestructorCode(io::Printer* printer) const {}
+  virtual void GenerateDestructorCode(io::Printer* /*printer*/) const {}
+
+  // Generate a manual destructor invocation for use when the message is on an
+  // arena. The code that this method generates will be executed inside a
+  // shared-for-the-whole-message-class method registered with OwnDestructor().
+  // The method should return |true| if it generated any code that requires a
+  // call; this allows the message generator to eliminate the OwnDestructor()
+  // registration if no fields require it.
+  virtual bool GenerateArenaDestructorCode(io::Printer* printer) const {
+    return false;
+  }
 
   // Generate code that allocates the fields's default instance.
-  virtual void GenerateDefaultInstanceAllocator(io::Printer* printer) const {}
+  virtual void GenerateDefaultInstanceAllocator(io::Printer* /*printer*/)
+      const {}
 
   // Generate code that should be run when ShutdownProtobufLibrary() is called,
   // to delete all dynamically-allocated objects.
-  virtual void GenerateShutdownCode(io::Printer* printer) const {}
+  virtual void GenerateShutdownCode(io::Printer* /*printer*/) const {}
 
   // Generate lines to decode this field, which will be placed inside the
   // message's MergeFromCodedStream() method.
   virtual void GenerateMergeFromCodedStream(io::Printer* printer) const = 0;
 
   // Generate lines to decode this field from a packed value, which will be
   // placed inside the message's MergeFromCodedStream() method.
   virtual void GenerateMergeFromCodedStreamWithPacking(io::Printer* printer)
       const;
 
@@ skipping 18 matching lines @@
 // Convenience class which constructs FieldGenerators for a Descriptor.
 class FieldGeneratorMap {
  public:
   explicit FieldGeneratorMap(const Descriptor* descriptor, const Options& options);
   ~FieldGeneratorMap();
 
   const FieldGenerator& get(const FieldDescriptor* field) const;
 
  private:
   const Descriptor* descriptor_;
-  scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
+  google::protobuf::scoped_array<google::protobuf::scoped_ptr<FieldGenerator> > field_generators_;
 
   static FieldGenerator* MakeGenerator(const FieldDescriptor* field,
                                        const Options& options);
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
 };
 
 
 }  // namespace cpp
 }  // namespace compiler
 }  // namespace protobuf
 
 }  // namespace google
 #endif  // GOOGLE_PROTOBUF_COMPILER_CPP_FIELD_H__