Update from https://crrev.com/306706

net/http/disk_cache_based_quic_server_info.cc

Index: net/http/disk_cache_based_quic_server_info.cc
diff --git a/net/http/disk_cache_based_quic_server_info.cc b/net/http/disk_cache_based_quic_server_info.cc
index ab34bbe9e1030db61a441ecd7e3c3bfd98e3558f..fd3a6fa5dff4d945a1fd9132da8ad94fe3fe4b4c 100644
--- a/net/http/disk_cache_based_quic_server_info.cc
+++ b/net/http/disk_cache_based_quic_server_info.cc
@@ -138,6 +138,11 @@ void DiskCacheBasedQuicServerInfo::Persist() {
 }
 
 void DiskCacheBasedQuicServerInfo::PersistInternal() {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::PersistInternal"));
+
   DCHECK(CalledOnValidThread());
   DCHECK_NE(GET_BACKEND, state_);
   DCHECK(new_data_.empty());
@@ -255,6 +260,11 @@ int DiskCacheBasedQuicServerInfo::DoLoop(int rv) {
 }
 
 int DiskCacheBasedQuicServerInfo::DoGetBackendComplete(int rv) {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoGetBackendComplete"));
+
   if (rv == OK) {
     backend_ = data_shim_->backend;
     state_ = OPEN;
@@ -266,6 +276,11 @@ int DiskCacheBasedQuicServerInfo::DoGetBackendComplete(int rv) {
 }
 
 int DiskCacheBasedQuicServerInfo::DoOpenComplete(int rv) {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoOpenComplete"));
+
   if (rv == OK) {
     entry_ = data_shim_->entry;
     state_ = READ;
@@ -279,6 +294,11 @@ int DiskCacheBasedQuicServerInfo::DoOpenComplete(int rv) {
 }
 
 int DiskCacheBasedQuicServerInfo::DoReadComplete(int rv) {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoReadComplete"));
+
   if (rv > 0)
     data_.assign(read_buffer_->data(), rv);
   else if (rv < 0)
@@ -289,6 +309,11 @@ int DiskCacheBasedQuicServerInfo::DoReadComplete(int rv) {
 }
 
 int DiskCacheBasedQuicServerInfo::DoWriteComplete(int rv) {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoWriteComplete"));
+
   if (rv < 0)
     RecordQuicServerInfoFailure(WRITE_FAILURE);
   state_ = SET_DONE;
@@ -296,6 +321,11 @@ int DiskCacheBasedQuicServerInfo::DoWriteComplete(int rv) {
 }
 
 int DiskCacheBasedQuicServerInfo::DoCreateOrOpenComplete(int rv) {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoCreateOrOpenComplete"));
+
   if (rv != OK) {
     RecordQuicServerInfoFailure(CREATE_OR_OPEN_FAILURE);
     state_ = SET_DONE;
@@ -311,16 +341,31 @@ int DiskCacheBasedQuicServerInfo::DoCreateOrOpenComplete(int rv) {
 }
 
 int DiskCacheBasedQuicServerInfo::DoGetBackend() {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoGetBackend"));
+
   state_ = GET_BACKEND_COMPLETE;
   return http_cache_->GetBackend(&data_shim_->backend, io_callback_);
 }
 
 int DiskCacheBasedQuicServerInfo::DoOpen() {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoOpen"));
+
   state_ = OPEN_COMPLETE;
   return backend_->OpenEntry(key(), &data_shim_->entry, io_callback_);
 }
 
 int DiskCacheBasedQuicServerInfo::DoRead() {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoRead"));
+
   const int32 size = entry_->GetDataSize(0 /* index */);
   if (!size) {
     state_ = WAIT_FOR_DATA_READY_DONE;
@@ -334,6 +379,11 @@ int DiskCacheBasedQuicServerInfo::DoRead() {
 }
 
 int DiskCacheBasedQuicServerInfo::DoWrite() {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoWrite"));
+
   write_buffer_ = new IOBuffer(new_data_.size());
   memcpy(write_buffer_->data(), new_data_.data(), new_data_.size());
   state_ = WRITE_COMPLETE;
@@ -347,6 +397,11 @@ int DiskCacheBasedQuicServerInfo::DoWrite() {
 }
 
 int DiskCacheBasedQuicServerInfo::DoCreateOrOpen() {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoCreateOrOpen"));
+
   state_ = CREATE_OR_OPEN_COMPLETE;
   if (entry_)
     return OK;
@@ -359,6 +414,11 @@ int DiskCacheBasedQuicServerInfo::DoCreateOrOpen() {
 }
 
 int DiskCacheBasedQuicServerInfo::DoWaitForDataReadyDone() {
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/422516 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "422516 DiskCacheBasedQuicServerInfo::DoWaitForDataReadyDone"));
+
   DCHECK(!ready_);
   state_ = NONE;
   ready_ = true;