Send notification about outgoing p2p packets from browser to renderer.

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 5a5f15aa5a05966a033841d12776565b449a59e8..d7a3bec80f4e1dc74ec917363c845ce8508bfcc9 100644
--- a/content/browser/renderer_host/p2p/socket_host_udp_unittest.cc
+++ b/content/browser/renderer_host/p2p/socket_host_udp_unittest.cc
@@ -164,6 +164,11 @@ class P2PSocketHostUdpTest : public testing::Test {
 // Verify that we can send STUN messages before we receive anything
 // from the other side.
 TEST_F(P2PSocketHostUdpTest, SendStunNoAuth) {
+  EXPECT_CALL(sender_, Send(
+      MatchMessage(static_cast<uint32>(P2PMsg_OnSendComplete::ID))))
+      .Times(3)
+      .WillRepeatedly(DoAll(DeleteArg<0>(), Return(true)));
+
   std::vector<char> packet1;
   CreateStunRequest(&packet1);
   socket_host_->Send(dest1_, packet1);
@@ -208,6 +213,9 @@ TEST_F(P2PSocketHostUdpTest, SendAfterStunRequest) {
   socket_->ReceivePacket(dest1_, request_packet);
 
   // Now we should be able to send any data to |dest1_|.
+  EXPECT_CALL(sender_, Send(
+      MatchMessage(static_cast<uint32>(P2PMsg_OnSendComplete::ID))))
+      .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
   std::vector<char> packet;
   CreateRandomPacket(&packet);
   socket_host_->Send(dest1_, packet);
@@ -228,6 +236,9 @@ TEST_F(P2PSocketHostUdpTest, SendAfterStunResponse) {
   socket_->ReceivePacket(dest1_, request_packet);
 
   // Now we should be able to send any data to |dest1_|.
+  EXPECT_CALL(sender_, Send(
+      MatchMessage(static_cast<uint32>(P2PMsg_OnSendComplete::ID))))
+      .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
   std::vector<char> packet;
   CreateRandomPacket(&packet);
   socket_host_->Send(dest1_, packet);