heap: Fix usage of CreateFromHere in persistent.h

This was broken by http://crrev.com/731804

Bug: 974061
Change-Id: Ic6855a24a4c58d42dcbeec078741e02880ee3d9b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2074219Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#744637}

third_party/blink/renderer/platform/heap/persistent.h

@@ -39,10 +39,16 @@ class PersistentLocation final {
   base::Location location_;
 };
 
-#if BUILDFLAG(RAW_HEAP_SNAPSHOTS)
+#if !BUILDFLAG(FROM_HERE_USES_LOCATION_BUILTINS) && \
+    BUILDFLAG(RAW_HEAP_SNAPSHOTS)
+#if !BUILDFLAG(ENABLE_LOCATION_SOURCE)
+#define PERSISTENT_FROM_HERE \
+  PersistentLocation(::base::Location::CreateFromHere(__FILE__))
+#else
 #define PERSISTENT_FROM_HERE \
   PersistentLocation(        \
       ::base::Location::CreateFromHere(__func__, __FILE__, __LINE__))
+#endif
 #else
 #define PERSISTENT_FROM_HERE PersistentLocation()
 #endif  // BUILDFLAG(RAW_HEAP_SNAPSHOTS)