Add a WinHeap dump provider to the memory profiler.

base/trace_event/BUILD.gn

Index: base/trace_event/BUILD.gn
diff --git a/base/trace_event/BUILD.gn b/base/trace_event/BUILD.gn
index db5509e20045b77b304372dd4e0ccc83fa04d901..b981c8776d5bd6595390ee37792003c8b303f6da 100644
--- a/base/trace_event/BUILD.gn
+++ b/base/trace_event/BUILD.gn
@@ -42,6 +42,8 @@ source_set("trace_event") {
     "trace_event_system_stats_monitor.h",
     "trace_event_win.cc",
     "trace_event_win.h",
+    "winheap_dump_provider_win.cc",
+    "winheap_dump_provider_win.h",
   ]
 
   if (is_nacl) {
@@ -95,6 +97,7 @@ source_set("trace_event_unittests") {
     "trace_event_system_stats_monitor_unittest.cc",
     "trace_event_unittest.cc",
     "trace_event_win_unittest.cc",
+    "winheap_dump_provider_win_unittest.cc",
   ]
 
   deps = [