[VOL-2235] Mocks and interfaces for rw-core

This update consists of mocks that are used by the rw-core
during unit testing.  It also includes interfaces used for unit
tests.

Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/google.golang.org/genproto/googleapis/api/httpbody/httpbody.pb.go b/vendor/google.golang.org/genproto/googleapis/api/httpbody/httpbody.pb.go
new file mode 100644
index 0000000..5b6c587
--- /dev/null
+++ b/vendor/google.golang.org/genproto/googleapis/api/httpbody/httpbody.pb.go
@@ -0,0 +1,146 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: google/api/httpbody.proto
+
+package httpbody
+
+import (
+	fmt "fmt"
+	math "math"
+
+	proto "github.com/golang/protobuf/proto"
+	any "github.com/golang/protobuf/ptypes/any"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+// Message that represents an arbitrary HTTP body. It should only be used for
+// payload formats that can't be represented as JSON, such as raw binary or
+// an HTML page.
+//
+//
+// This message can be used both in streaming and non-streaming API methods in
+// the request as well as the response.
+//
+// It can be used as a top-level request field, which is convenient if one
+// wants to extract parameters from either the URL or HTTP template into the
+// request fields and also want access to the raw HTTP body.
+//
+// Example:
+//
+//     message GetResourceRequest {
+//       // A unique request id.
+//       string request_id = 1;
+//
+//       // The raw HTTP body is bound to this field.
+//       google.api.HttpBody http_body = 2;
+//     }
+//
+//     service ResourceService {
+//       rpc GetResource(GetResourceRequest) returns (google.api.HttpBody);
+//       rpc UpdateResource(google.api.HttpBody) returns
+//       (google.protobuf.Empty);
+//     }
+//
+// Example with streaming methods:
+//
+//     service CaldavService {
+//       rpc GetCalendar(stream google.api.HttpBody)
+//         returns (stream google.api.HttpBody);
+//       rpc UpdateCalendar(stream google.api.HttpBody)
+//         returns (stream google.api.HttpBody);
+//     }
+//
+// Use of this type only changes how the request and response bodies are
+// handled, all other features will continue to work unchanged.
+type HttpBody struct {
+	// The HTTP Content-Type header value specifying the content type of the body.
+	ContentType string `protobuf:"bytes,1,opt,name=content_type,json=contentType,proto3" json:"content_type,omitempty"`
+	// The HTTP request/response body as raw binary.
+	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	// Application specific response metadata. Must be set in the first response
+	// for streaming APIs.
+	Extensions           []*any.Any `protobuf:"bytes,3,rep,name=extensions,proto3" json:"extensions,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
+	XXX_unrecognized     []byte     `json:"-"`
+	XXX_sizecache        int32      `json:"-"`
+}
+
+func (m *HttpBody) Reset()         { *m = HttpBody{} }
+func (m *HttpBody) String() string { return proto.CompactTextString(m) }
+func (*HttpBody) ProtoMessage()    {}
+func (*HttpBody) Descriptor() ([]byte, []int) {
+	return fileDescriptor_09ea2ecaa32a0070, []int{0}
+}
+
+func (m *HttpBody) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_HttpBody.Unmarshal(m, b)
+}
+func (m *HttpBody) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_HttpBody.Marshal(b, m, deterministic)
+}
+func (m *HttpBody) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_HttpBody.Merge(m, src)
+}
+func (m *HttpBody) XXX_Size() int {
+	return xxx_messageInfo_HttpBody.Size(m)
+}
+func (m *HttpBody) XXX_DiscardUnknown() {
+	xxx_messageInfo_HttpBody.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_HttpBody proto.InternalMessageInfo
+
+func (m *HttpBody) GetContentType() string {
+	if m != nil {
+		return m.ContentType
+	}
+	return ""
+}
+
+func (m *HttpBody) GetData() []byte {
+	if m != nil {
+		return m.Data
+	}
+	return nil
+}
+
+func (m *HttpBody) GetExtensions() []*any.Any {
+	if m != nil {
+		return m.Extensions
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*HttpBody)(nil), "google.api.HttpBody")
+}
+
+func init() { proto.RegisterFile("google/api/httpbody.proto", fileDescriptor_09ea2ecaa32a0070) }
+
+var fileDescriptor_09ea2ecaa32a0070 = []byte{
+	// 229 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x54, 0x8f, 0x31, 0x4f, 0xc3, 0x30,
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+	0x2b, 0x2d, 0x01, 0x00, 0x00,
+}