Make HttpNetworkSession::DumpMemoryStats attribute memory usage correctly

net/url_request/url_request_context_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/url_request/url_request_context.h"
 
 #include <memory>
 
 #include "base/trace_event/process_memory_dump.h"
 #include "net/proxy/proxy_config_service_fixed.h"
@@ skipping 14 matching lines @@
       base::MakeUnique<ProxyConfigServiceFixed>(ProxyConfig::CreateDirect()));
 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
   std::unique_ptr<URLRequestContext> context(builder.Build());
   context->OnMemoryDump(dump_args, process_memory_dump.get());
   const base::trace_event::ProcessMemoryDump::AllocatorDumpsMap&
       allocator_dumps = process_memory_dump->allocator_dumps();
 
   bool did_dump_http_network_session = false;
   bool did_dump_ssl_client_session_cache = false;
   bool did_dump_url_request_context = false;
+  bool did_dump_url_request_context_http_network_session = false;
   for (const auto& it : allocator_dumps) {
     const std::string& dump_name = it.first;
     if (dump_name.find("net/http_network_session") != std::string::npos)
       did_dump_http_network_session = true;
     if (dump_name.find("net/ssl_session_cache") != std::string::npos)
       did_dump_ssl_client_session_cache = true;
-    if (dump_name.find("net/url_request_context") != std::string::npos)
-      did_dump_url_request_context = true;
+    if (dump_name.find("net/url_request_context") != std::string::npos) {
+      // A sub allocator dump to take into account of the sharing relationship.
+      if (dump_name.find("http_network_session") != std::string::npos) {
+        did_dump_url_request_context_http_network_session = true;
+      } else {
+        did_dump_url_request_context = true;
+      }
+    }
   }
   ASSERT_TRUE(did_dump_http_network_session);
   ASSERT_TRUE(did_dump_ssl_client_session_cache);
   ASSERT_TRUE(did_dump_url_request_context);
+  ASSERT_TRUE(did_dump_url_request_context_http_network_session);
 }
 
 // TODO(xunjieli): Add more granular tests on the MemoryDumpProvider.
 }  // namespace net