Fix P2PSocketHostUdp to handle dropped packets properly.

content/browser/renderer_host/p2p/socket_host_udp_unittest.cc

Index: content/browser/renderer_host/p2p/socket_host_udp_unittest.cc
diff --git a/content/browser/renderer_host/p2p/socket_host_udp_unittest.cc b/content/browser/renderer_host/p2p/socket_host_udp_unittest.cc
index ce238d850244aa299dcdbf9d65ade5bc831bc28f..516628c0cf04e9c0849bff1a6aef82edb0127742 100644
--- a/content/browser/renderer_host/p2p/socket_host_udp_unittest.cc
+++ b/content/browser/renderer_host/p2p/socket_host_udp_unittest.cc
@@ -355,7 +355,7 @@ TEST_F(P2PSocketHostUdpTest, ThrottleAfterLimit) {
   EXPECT_CALL(
       sender_,
       Send(MatchMessage(static_cast<uint32_t>(P2PMsg_OnSendComplete::ID))))
-      .Times(2)
+      .Times(3)
       .WillRepeatedly(DoAll(DeleteArg<0>(), Return(true)));
 
   rtc::PacketOptions options;
@@ -385,7 +385,7 @@ TEST_F(P2PSocketHostUdpTest, ThrottleAfterLimitAfterReceive) {
   EXPECT_CALL(
       sender_,
       Send(MatchMessage(static_cast<uint32_t>(P2PMsg_OnSendComplete::ID))))
-      .Times(4)
+      .Times(6)
       .WillRepeatedly(DoAll(DeleteArg<0>(), Return(true)));
 
   rtc::PacketOptions options;