[GCM] Add heartbeat manager and reconnection logic due to heartbeat failure

google_apis/gcm/engine/fake_connection_handler.cc

Index: google_apis/gcm/engine/fake_connection_handler.cc
diff --git a/google_apis/gcm/engine/fake_connection_handler.cc b/google_apis/gcm/engine/fake_connection_handler.cc
index 06639331ebeb1583c7b57e117e899ba93d7e95ae..6a239eae151a865d86b422acef921b34807ac21e 100644
--- a/google_apis/gcm/engine/fake_connection_handler.cc
+++ b/google_apis/gcm/engine/fake_connection_handler.cc
@@ -39,7 +39,7 @@ FakeConnectionHandler::~FakeConnectionHandler() {
 }
 
 void FakeConnectionHandler::Init(const mcs_proto::LoginRequest& login_request,
-                                 scoped_ptr<net::StreamSocket> socket) {
+                                 net::StreamSocket* socket) {
   EXPECT_EQ(expected_outgoing_messages_.front().SerializeAsString(),
             login_request.SerializeAsString());
   expected_outgoing_messages_.pop_front();