Improved diagnostic message for JS heap out of memory

src/v8.h

Index: src/v8.h
diff --git a/src/v8.h b/src/v8.h
index 6016ef1419ff02267484811d706a52eb3552e9a5..a1b18b20d6c05bb62dcc25eab20b07f19a4ae8bc 100644
--- a/src/v8.h
+++ b/src/v8.h
@@ -21,7 +21,7 @@ class V8 : public AllStatic {
   // Report process out of memory. Implementation found in api.cc.
   // This function will not return, but will terminate the execution.
   static void FatalProcessOutOfMemory(const char* location,
-                                      bool take_snapshot = false);
+                                      bool is_heap_oom = false);
 
   static void InitializePlatform(v8::Platform* platform);
   static void ShutdownPlatform();