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

third_party/protobuf/benchmarks/benchmarks.proto

Index: third_party/protobuf/benchmarks/benchmarks.proto
diff --git a/third_party/protobuf/java/src/test/java/com/google/protobuf/any_test.proto b/third_party/protobuf/benchmarks/benchmarks.proto
similarity index 57%
copy from third_party/protobuf/java/src/test/java/com/google/protobuf/any_test.proto
copy to third_party/protobuf/benchmarks/benchmarks.proto
index 80173d8a0e422f62c5a769a64c2e6896a8c12d78..51c0b548779effa77f838e9137bbce6b2accb107 100644
--- a/third_party/protobuf/java/src/test/java/com/google/protobuf/any_test.proto
+++ b/third_party/protobuf/benchmarks/benchmarks.proto
@@ -29,14 +29,35 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 syntax = "proto3";
+package benchmarks;
+option java_package = "com.google.protobuf.benchmarks";
 
-package any_test;
+message BenchmarkDataset {
+  // Name of the benchmark dataset.  This should be unique across all datasets.
+  // Should only contain word characters: [a-zA-Z0-9_]
+  string name = 1;
 
-option java_package = "any_test";
-option java_outer_classname = "AnyTestProto";
+  // Fully-qualified name of the protobuf message for this dataset.
+  // It will be one of the messages defined benchmark_messages_proto2.proto
+  // or benchmark_messages_proto3.proto.
+  //
+  // Implementations that do not support reflection can implement this with
+  // an explicit "if/else" chain that lists every known message defined
+  // in those files.
+  string message_name = 2;
 
-import "google/protobuf/any.proto";
-
-message TestAny {
-  google.protobuf.Any value = 1;
+  // The payload(s) for this dataset.  They should be parsed or serialized
+  // in sequence, in a loop, ie.
+  //
+  //  while (!benchmarkDone) {  // Benchmark runner decides when to exit.
+  //    for (i = 0; i < benchmark.payload.length; i++) {
+  //      parse(benchmark.payload[i])
+  //    }
+  //  }
+  //
+  // This is intended to let datasets include a variety of data to provide
+  // potentially more realistic results than just parsing the same message
+  // over and over.  A single message parsed repeatedly could yield unusually
+  // good branch prediction performance.
+  repeated bytes payload = 3;
 }