Check in protobuf java code and generate lite jar.

third_party/protobuf/protobuf.gyp

Index: third_party/protobuf/protobuf.gyp
diff --git a/third_party/protobuf/protobuf.gyp b/third_party/protobuf/protobuf.gyp
index 30940238590884cc51c1fec979190fe98d1180cd..a1b052d3aa7bf0d1c4cd3476e7fcdb3aa57ac2cc 100644
--- a/third_party/protobuf/protobuf.gyp
+++ b/third_party/protobuf/protobuf.gyp
@@ -384,6 +384,48 @@
       #       'src/google/protobuf/descriptor.proto',
       #     ],
          },
+         {
+           'target_name': 'protobuf_lite_java',
+           'type' : 'none',
+           'dependencies': [
+             'protoc#host',
+           ],
+           'variables': {
+             'script_descriptors': './protobuf_lite_java_descriptor_proto.py',
+             'script_pom': './protobuf_lite_java_parse_pom.py',
+             'protoc': '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)protoc<(EXECUTABLE_SUFFIX)',
+             # Variables needed by java.gypi below.
+             'java_out_dir': '<(PRODUCT_DIR)/java_proto/protobuf_lite_java_descriptor_proto',
+             'generated_src_dirs': ['<(java_out_dir)'],
+             'package_name': '<(_target_name)',
+             'java_in_dir': 'java',
+             'maven_pom': '<(java_in_dir)/pom.xml',
+             'javac_includes': ['<!@(<(script_pom) <(maven_pom))'],
+           },
+           'actions': [
+             {
+               'action_name': 'protobuf_lite_java_gen_descriptor_proto',
+               'inputs': [
+                 '<(script_descriptors)',
+                 '<(protoc)',
+                 'src/google/protobuf/descriptor.proto',
+               ],
+               'outputs': [
+                 '<(java_out_dir)/com/google/protobuf/DescriptorProtos.java',
+               ],
+               'action': [
+                 '<(script_descriptors)',
+                 '<(protoc)',
+                 '<(java_out_dir)',
+                 'src',
+                 'src/google/protobuf/descriptor.proto',
+               ],
+               'message': 'Generating descriptor protos for Java',
+             },
+           ],
+           # Now that we have generated DescriptorProtos.java, build jar.
+           'includes': ['../../build/java.gypi'],
+         },
       ],
     }, { # use_system_protobuf==1
       'targets': [