Track SimpleCache memory usage in net/ MemoryDumpProvider

net/http/http_cache.cc

Index: net/http/http_cache.cc
diff --git a/net/http/http_cache.cc b/net/http/http_cache.cc
index b02ddf02adf0a12669426d13131ce0e33839fe58..a59267db3c776515afc267abb209ccffaa0f5054 100644
--- a/net/http/http_cache.cc
+++ b/net/http/http_cache.cc
@@ -481,6 +481,13 @@ HttpCache::SetHttpNetworkTransactionFactoryForTesting(
   return old_network_layer;
 }
 
+void HttpCache::DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
+                                const std::string& parent_absolute_name) const {
+  if (disk_cache_)
+    disk_cache_->DumpMemoryStats(pmd, parent_absolute_name);
+  // TODO(xunjieli): Track other member allocations.

[ssid, 2017/02/01 02:45:48]

I think TODOs are generally followed by bug numbers in case someone else tries
to fix it in future.

[xunjieli, 2017/02/01 14:55:18]

Done. Removed the TODO and added tracking for other member allocations.

+}
+
 //-----------------------------------------------------------------------------
 
 int HttpCache::CreateBackend(disk_cache::Backend** backend,