Update third_party/protobuf to protobuf-v3.0.0-beta-3

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 e77e17949d7b28d3244386d0df550e6b8fd6111b..cb5ec3454273733d68aa8072736e351d263275e0 100644
--- a/third_party/protobuf/protobuf.gyp
+++ b/third_party/protobuf/protobuf.gyp
@@ -18,6 +18,7 @@
               4305,  # double to float truncation
               4355,  # 'this' used in base member initializer list
               4506,  # no definition for inline function (protobuf issue #240)
+              4715,  # not all control paths return a value (fixed in trunk)
             ],
             'defines!': [
               'WIN32_LEAN_AND_MEAN',  # Protobuf defines this itself.
@@ -299,6 +300,7 @@
             "src/google/protobuf/compiler/csharp/csharp_message.h",
             "src/google/protobuf/compiler/csharp/csharp_message_field.cc",
             "src/google/protobuf/compiler/csharp/csharp_message_field.h",
+            "src/google/protobuf/compiler/csharp/csharp_options.h",
             "src/google/protobuf/compiler/csharp/csharp_primitive_field.cc",
             "src/google/protobuf/compiler/csharp/csharp_primitive_field.h",
             "src/google/protobuf/compiler/csharp/csharp_reflection_class.cc",
@@ -327,6 +329,8 @@
             "src/google/protobuf/compiler/java/java_enum_lite.h",
             "src/google/protobuf/compiler/java/java_extension.cc",
             "src/google/protobuf/compiler/java/java_extension.h",
+            "src/google/protobuf/compiler/java/java_extension_lite.cc",
+            "src/google/protobuf/compiler/java/java_extension_lite.h",
             "src/google/protobuf/compiler/java/java_field.cc",
             "src/google/protobuf/compiler/java/java_field.h",
             "src/google/protobuf/compiler/java/java_file.cc",