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

third_party/protobuf/csharp/src/Google.Protobuf/Google.Protobuf.csproj

 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProductVersion>9.0.30729</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{6908BDCE-D925-43F3-94AC-A531E6DF2591}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
@@ skipping 46 matching lines @@
     <IntermediateOutputPath>obj\ReleaseSigned\</IntermediateOutputPath>
     <DocumentationFile>$(OutputPath)\$(AssemblyName).xml</DocumentationFile>
     <NoWarn>
     </NoWarn>
     <DefineConstants>TRACE;SIGNED</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <NoStdLib>true</NoStdLib>
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
     <SignAssembly>True</SignAssembly>
-    <AssemblyOriginatorKeyFile>C:\keys\Google.Protobuf.snk</AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>..\..\keys\Google.Protobuf.snk</AssemblyOriginatorKeyFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="mscorlib" />
     <Reference Include="System" />
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ByteArray.cs" />
     <Compile Include="ByteString.cs" />
     <Compile Include="CodedOutputStream.ComputeSize.cs" />
     <Compile Include="CodedInputStream.cs" />
     <Compile Include="CodedOutputStream.cs" />
     <Compile Include="Collections\MapField.cs" />
     <Compile Include="Collections\ReadOnlyDictionary.cs" />
     <Compile Include="Collections\RepeatedField.cs" />
     <Compile Include="Compatibility\PropertyInfoExtensions.cs" />
     <Compile Include="Compatibility\TypeExtensions.cs" />
     <Compile Include="FieldCodec.cs" />
     <Compile Include="FrameworkPortability.cs" />
+    <Compile Include="ICustomDiagnosticMessage.cs" />
     <Compile Include="IDeepCloneable.cs" />
     <Compile Include="InvalidJsonException.cs" />
     <Compile Include="JsonFormatter.cs" />
     <Compile Include="JsonParser.cs" />
     <Compile Include="JsonToken.cs" />
     <Compile Include="JsonTokenizer.cs" />
     <Compile Include="MessageExtensions.cs" />
     <Compile Include="IMessage.cs" />
     <Compile Include="InvalidProtocolBufferException.cs" />
     <Compile Include="LimitedInputStream.cs" />
     <Compile Include="MessageParser.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Reflection\Descriptor.cs" />
     <Compile Include="Reflection\DescriptorBase.cs" />
     <Compile Include="Reflection\DescriptorPool.cs" />
     <Compile Include="Reflection\DescriptorUtil.cs" />
     <Compile Include="Reflection\DescriptorValidationException.cs" />
     <Compile Include="Reflection\EnumDescriptor.cs" />
     <Compile Include="Reflection\EnumValueDescriptor.cs" />
     <Compile Include="Reflection\FieldAccessorBase.cs" />
     <Compile Include="Reflection\FieldDescriptor.cs" />
     <Compile Include="Reflection\FieldType.cs" />
     <Compile Include="Reflection\FileDescriptor.cs" />
-    <Compile Include="Reflection\GeneratedCodeInfo.cs" />
+    <Compile Include="Reflection\GeneratedClrTypeInfo.cs" />
     <Compile Include="Reflection\IDescriptor.cs" />
     <Compile Include="Reflection\IFieldAccessor.cs" />
     <Compile Include="Reflection\MapFieldAccessor.cs" />
     <Compile Include="Reflection\MessageDescriptor.cs" />
     <Compile Include="Reflection\MethodDescriptor.cs" />
     <Compile Include="Reflection\OneofAccessor.cs" />
     <Compile Include="Reflection\OneofDescriptor.cs" />
+    <Compile Include="Reflection\OriginalNameAttribute.cs" />
     <Compile Include="Reflection\PackageDescriptor.cs" />
     <Compile Include="Reflection\PartialClasses.cs" />
     <Compile Include="Reflection\ReflectionUtil.cs" />
     <Compile Include="Reflection\RepeatedFieldAccessor.cs" />
     <Compile Include="Reflection\ServiceDescriptor.cs" />
     <Compile Include="Reflection\SingleFieldAccessor.cs" />
-    <Compile Include="Preconditions.cs" />
+    <Compile Include="ProtoPreconditions.cs" />
     <Compile Include="Reflection\TypeRegistry.cs" />
     <Compile Include="WellKnownTypes\Any.cs" />
     <Compile Include="WellKnownTypes\AnyPartial.cs" />
     <Compile Include="WellKnownTypes\Api.cs" />
     <Compile Include="WellKnownTypes\Duration.cs" />
     <Compile Include="WellKnownTypes\DurationPartial.cs" />
     <Compile Include="WellKnownTypes\Empty.cs" />
     <Compile Include="WellKnownTypes\FieldMask.cs" />
+    <Compile Include="WellKnownTypes\FieldMaskPartial.cs" />
     <Compile Include="WellKnownTypes\SourceContext.cs" />
     <Compile Include="WellKnownTypes\Struct.cs" />
     <Compile Include="WellKnownTypes\TimeExtensions.cs" />
     <Compile Include="WellKnownTypes\Timestamp.cs" />
     <Compile Include="WellKnownTypes\TimestampPartial.cs" />
     <Compile Include="WellKnownTypes\Type.cs" />
     <Compile Include="WellKnownTypes\ValuePartial.cs" />
     <Compile Include="WellKnownTypes\Wrappers.cs" />
     <Compile Include="WellKnownTypes\WrappersPartial.cs" />
     <Compile Include="WireFormat.cs" />
@@ skipping 12 matching lines @@
     <Error Condition="!Exists('..\packages\NuSpec.ReferenceGenerator.1.4.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NuSpec.ReferenceGenerator.1.4.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
   </Target>
   <Target Name="AfterBuild">
   </Target>
   -->
 </Project>