Update Assembler::TryAllocate to support inline allocation tracing

runtime/vm/assembler_mips.h

Index: runtime/vm/assembler_mips.h
diff --git a/runtime/vm/assembler_mips.h b/runtime/vm/assembler_mips.h
index a4c379b8798d5e877806b21c737b9f9a789a9336..00c0f62d74f467d0c81ff13bc0ab4650b17585f1 100644
--- a/runtime/vm/assembler_mips.h
+++ b/runtime/vm/assembler_mips.h
@@ -312,6 +312,10 @@ class Assembler : public ValueObject {
                                      Heap::Space space);
 
 
+  void MaybeTraceAllocation(intptr_t cid,
+                            Register temp_reg,
+                            Label* trace);
+
   // Inlined allocation of an instance of class 'cls', code has no runtime
   // calls. Jump to 'failure' if the instance cannot be allocated here.
   // Allocated instance is returned in 'instance_reg'.