Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_map_field.cc

Index: third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_map_field.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_map_field.cc b/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_map_field.cc
deleted file mode 100644
index 83b2b0ce8f836c2fdcf8f46627526e1a20d37512..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_map_field.cc
+++ /dev/null
@@ -1,186 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// 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
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <google/protobuf/compiler/javanano/javanano_map_field.h>
-#include <google/protobuf/compiler/javanano/javanano_helpers.h>
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace javanano {
-
-namespace {
-
-string TypeName(const Params& params, const FieldDescriptor* field,
-                bool boxed) {
-  JavaType java_type = GetJavaType(field);
-  switch (java_type) {
-    case JAVATYPE_MESSAGE:
-      return ClassName(params, field->message_type());
-    case JAVATYPE_INT:
-    case JAVATYPE_LONG:
-    case JAVATYPE_FLOAT:
-    case JAVATYPE_DOUBLE:
-    case JAVATYPE_BOOLEAN:
-    case JAVATYPE_STRING:
-    case JAVATYPE_BYTES:
-    case JAVATYPE_ENUM:
-      if (boxed) {
-        return BoxedPrimitiveTypeName(java_type);
-      } else {
-        return PrimitiveTypeName(java_type);
-      }
-    // No default because we want the compiler to complain if any new JavaTypes
-    // are added..
-  }
-
-  GOOGLE_LOG(FATAL) << "should not reach here.";
-  return "";
-}
-
-const FieldDescriptor* KeyField(const FieldDescriptor* descriptor) {
-  GOOGLE_CHECK_EQ(FieldDescriptor::TYPE_MESSAGE, descriptor->type());
-  const Descriptor* message = descriptor->message_type();
-  GOOGLE_CHECK(message->options().map_entry());
-  return message->FindFieldByName("key");
-}
-
-const FieldDescriptor* ValueField(const FieldDescriptor* descriptor) {
-  GOOGLE_CHECK_EQ(FieldDescriptor::TYPE_MESSAGE, descriptor->type());
-  const Descriptor* message = descriptor->message_type();
-  GOOGLE_CHECK(message->options().map_entry());
-  return message->FindFieldByName("value");
-}
-
-void SetMapVariables(const Params& params,
-    const FieldDescriptor* descriptor, map<string, string>* variables) {
-  const FieldDescriptor* key = KeyField(descriptor);
-  const FieldDescriptor* value = ValueField(descriptor);
-  (*variables)["name"] =
-    RenameJavaKeywords(UnderscoresToCamelCase(descriptor));
-  (*variables)["number"] = SimpleItoa(descriptor->number());
-  (*variables)["key_type"] = TypeName(params, key, false);
-  (*variables)["boxed_key_type"] = TypeName(params,key, true);
-  (*variables)["key_desc_type"] =
-      "TYPE_" + ToUpper(FieldDescriptor::TypeName(key->type()));
-  (*variables)["key_tag"] = SimpleItoa(internal::WireFormat::MakeTag(key));
-  (*variables)["value_type"] = TypeName(params, value, false);
-  (*variables)["boxed_value_type"] = TypeName(params, value, true);
-  (*variables)["value_desc_type"] =
-      "TYPE_" + ToUpper(FieldDescriptor::TypeName(value->type()));
-  (*variables)["value_tag"] = SimpleItoa(internal::WireFormat::MakeTag(value));
-  (*variables)["type_parameters"] =
-      (*variables)["boxed_key_type"] + ", " + (*variables)["boxed_value_type"];
-  (*variables)["value_default"] =
-      value->type() == FieldDescriptor::TYPE_MESSAGE
-          ? "new " + (*variables)["value_type"] + "()"
-          : "null";
-}
-}  // namespace
-
-// ===================================================================
-MapFieldGenerator::MapFieldGenerator(const FieldDescriptor* descriptor,
-                                     const Params& params)
-    : FieldGenerator(params), descriptor_(descriptor) {
-  SetMapVariables(params, descriptor, &variables_);
-}
-
-MapFieldGenerator::~MapFieldGenerator() {}
-
-void MapFieldGenerator::
-GenerateMembers(io::Printer* printer, bool /* unused lazy_init */) const {
-  printer->Print(variables_,
-    "public java.util.Map<$type_parameters$> $name$;\n");
-}
-
-void MapFieldGenerator::
-GenerateClearCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "$name$ = null;\n");
-}
-
-void MapFieldGenerator::
-GenerateMergingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "this.$name$ = com.google.protobuf.nano.InternalNano.mergeMapEntry(\n"
-    "  input, this.$name$, mapFactory,\n"
-    "  com.google.protobuf.nano.InternalNano.$key_desc_type$,\n"
-    "  com.google.protobuf.nano.InternalNano.$value_desc_type$,\n"
-    "  $value_default$,\n"
-    "  $key_tag$, $value_tag$);\n"
-    "\n");
-}
-
-void MapFieldGenerator::
-GenerateSerializationCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (this.$name$ != null) {\n"
-    "  com.google.protobuf.nano.InternalNano.serializeMapField(\n"
-    "    output, this.$name$, $number$,\n"
-    "  com.google.protobuf.nano.InternalNano.$key_desc_type$,\n"
-    "  com.google.protobuf.nano.InternalNano.$value_desc_type$);\n"
-    "}\n");
-}
-
-void MapFieldGenerator::
-GenerateSerializedSizeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (this.$name$ != null) {\n"
-    "  size += com.google.protobuf.nano.InternalNano.computeMapFieldSize(\n"
-    "    this.$name$, $number$,\n"
-    "  com.google.protobuf.nano.InternalNano.$key_desc_type$,\n"
-    "  com.google.protobuf.nano.InternalNano.$value_desc_type$);\n"
-    "}\n");
-}
-
-void MapFieldGenerator::
-GenerateEqualsCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (!com.google.protobuf.nano.InternalNano.equals(\n"
-    "  this.$name$, other.$name$)) {\n"
-    "  return false;\n"
-    "}\n");
-}
-
-void MapFieldGenerator::
-GenerateHashCodeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "result = 31 * result +\n"
-    "    com.google.protobuf.nano.InternalNano.hashCode(this.$name$);\n");
-}
-
-}  // namespace javanano
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google