Add the copresence component.

components/copresence/rpc/rpc_handler.cc

Index: components/copresence/rpc/rpc_handler.cc
diff --git a/components/copresence/rpc/rpc_handler.cc b/components/copresence/rpc/rpc_handler.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ca94f3f3863b87296a2b98dbe7b4a59f0e5fe9eb
--- /dev/null
+++ b/components/copresence/rpc/rpc_handler.cc
@@ -0,0 +1,43 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/copresence/rpc/rpc_handler.h"
+
+#include "base/bind.h"
+#include "components/copresence/interface/copresence_delegate.h"
+#include "components/copresence/interface/whispernet_client.h"
+#include "components/copresence/proto/data.pb.h"
+#include "components/copresence/proto/rpcs.pb.h"
+
+namespace copresence {
+
+RpcHandler::RpcHandler(CopresenceDelegate* delegate,
+                       SuccessCallback init_done_callback) {
+}
+
+RpcHandler::~RpcHandler() {
+}
+
+void RpcHandler::SendReportRequest(
+    scoped_ptr<copresence::ReportRequest> request) {
+}
+
+void RpcHandler::SendReportRequest(
+    scoped_ptr<copresence::ReportRequest> /* request */,

[jochen (gone - plz use gerrit), 2014/07/30 09:29:00]

nit. unused parameters should still have names

[rkc, 2014/07/30 10:16:45]

Done.

+    const std::string& /* app_id */,
+    const StatusCallback& /* status_callback */) {
+}
+
+void RpcHandler::ReportTokens(copresence::TokenMedium /* medium */,
+                              const std::vector<std::string>& /* tokens */) {
+}
+
+void RpcHandler::ConnectToWhispernet(
+    WhispernetClient* /* whispernet_client */) {
+}
+
+void RpcHandler::DisconnectFromWhispernet() {
+}
+
+}  // namespace copresence