Make some functions that are hit during renderer startup available for inlining

src/heap/scavenger.h

Index: src/heap/scavenger.h
diff --git a/src/heap/scavenger.h b/src/heap/scavenger.h
index 09f2955651e29909d0e35276af5c1bb762db7201..888b2230c5be0a4092d479ed47cb53444718ff2d 100644
--- a/src/heap/scavenger.h
+++ b/src/heap/scavenger.h
@@ -30,7 +30,7 @@ class Scavenger {
                                                           Address slot_address);
 
   // Slow part of {ScavengeObject} above.
-  static void ScavengeObjectSlow(HeapObject** p, HeapObject* object);
+  static inline void ScavengeObjectSlow(HeapObject** p, HeapObject* object);
 
   // Chooses an appropriate static visitor table depending on the current state
   // of the heap (i.e. incremental marking, logging and profiling).