Merge branch 'new-binding-validator' of https://github.com/zhing/gin into zhing-new-binding-validator

Conflicts:
	binding/binding.go
	binding/binding_test.go

binding/binding.go

@@ -14,6 +14,7 @@ const (
 	MIMEPlain             = "text/plain"
 	MIMEPOSTForm          = "application/x-www-form-urlencoded"
 	MIMEMultipartPOSTForm = "multipart/form-data"
+	MIMEPROTOBUF          = "application/x-protobuf"
 )
 
 type Binding interface {
@@ -38,6 +39,7 @@ var (
 	Form          = formBinding{}
 	FormPost      = formPostBinding{}
 	FormMultipart = formMultipartBinding{}
+	ProtoBuf      = protobufBinding{}
 )
 
 func Default(method, contentType string) Binding {
@@ -49,6 +51,8 @@ func Default(method, contentType string) Binding {
 			return JSON
 		case MIMEXML, MIMEXML2:
 			return XML
+		case MIMEPROTOBUF:
+			return ProtoBuf
 		default: //case MIMEPOSTForm, MIMEMultipartPOSTForm:
 			return Form
 		}