third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/php/ext/google/protobuf/utf8.h

Index: third_party/protobuf/php/ext/google/protobuf/utf8.h
diff --git a/third_party/protobuf/python/google/protobuf/internal/any_test.proto b/third_party/protobuf/php/ext/google/protobuf/utf8.h
similarity index 88%
copy from third_party/protobuf/python/google/protobuf/internal/any_test.proto
copy to third_party/protobuf/php/ext/google/protobuf/utf8.h
index cd641ca0b8efaab4d60767f359490946f90400fb..28b8d874a8b53ef6cd78640ff490b52f4e07e071 100644
--- a/third_party/protobuf/python/google/protobuf/internal/any_test.proto
+++ b/third_party/protobuf/php/ext/google/protobuf/utf8.h
@@ -28,15 +28,9 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Author: jieluo@google.com (Jie Luo)
+#ifndef GOOGLE_PROTOBUF_UTF8_H_
+#define GOOGLE_PROTOBUF_UTF8_H_
 
-syntax = "proto3";
+bool is_structurally_valid_utf8(const char* buf, int len);
 
-package google.protobuf.internal;
-
-import "google/protobuf/any.proto";
-
-message TestAny {
-  google.protobuf.Any value = 1;
-  int32 int_value = 2;
-}
+#endif  // GOOGLE_PROTOBUF_UTF8_H_