Remove unnecessary instrumentation for several jank bugs.

net/quic/quic_crypto_client_stream.cc

Index: net/quic/quic_crypto_client_stream.cc
diff --git a/net/quic/quic_crypto_client_stream.cc b/net/quic/quic_crypto_client_stream.cc
index aa1b6ee8a05f057e46e8973c52f27308b76a8ec5..28a6db8569195660a55a34639065e3fa56d75bc8 100644
--- a/net/quic/quic_crypto_client_stream.cc
+++ b/net/quic/quic_crypto_client_stream.cc
@@ -246,11 +246,6 @@ void QuicCryptoClientStream::DoInitialize(
 void QuicCryptoClientStream::DoSendCHLO(
     const CryptoHandshakeMessage* in,
     QuicCryptoClientConfig::CachedState* cached) {
-  // TODO(rtenneti): Remove ScopedTracker below once crbug.com/422516 is fixed.
-  tracked_objects::ScopedTracker tracking_profile1(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "422516 QuicCryptoClientStream::DoSendCHLO1"));
-
   // Send the client hello in plaintext.
   session()->connection()->SetDefaultEncryptionLevel(ENCRYPTION_NONE);
   if (num_client_hellos_ > kMaxClientHellos) {
@@ -301,11 +296,6 @@ void QuicCryptoClientStream::DoSendCHLO(
       &out,
       &error_details);
 
-  // TODO(rtenneti): Remove ScopedTracker below once crbug.com/422516 is fixed.
-  tracked_objects::ScopedTracker tracking_profile2(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "422516 QuicCryptoClientStream::DoSendCHLO2"));
-
   if (error != QUIC_NO_ERROR) {
     // Flush the cached config so that, if it's bad, the server has a
     // chance to send us another in the future.
@@ -500,11 +490,6 @@ void QuicCryptoClientStream::DoGetChannelIDComplete() {
 void QuicCryptoClientStream::DoReceiveSHLO(
     const CryptoHandshakeMessage* in,
     QuicCryptoClientConfig::CachedState* cached) {
-  // TODO(rtenneti): Remove ScopedTracker below once crbug.com/422516 is fixed.
-  tracked_objects::ScopedTracker tracking_profile(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "422516 QuicCryptoClientStream::DoReceiveSHLO"));
-
   next_state_ = STATE_NONE;
   // We sent a CHLO that we expected to be accepted and now we're hoping
   // for a SHLO from the server to confirm that.