Fix cctest/test-cpu-profiler/CollectCpuProfile test on Arm and MIPS simulators

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 0c60cdee21385d96d1afd9b5566248f731bd7d88..078dc50745f3a9101f7a94b46ba54d0b6bcc94c2 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -497,6 +497,10 @@ class Isolate {
   // If one does not yet exist, return null.
   PerIsolateThreadData* FindPerThreadDataForThisThread();
 
+  // Find the PerThread for given (isolate, thread) combination
+  // If one does not yet exist, return null.
+  PerIsolateThreadData* FindPerThreadDataForThread(ThreadId thread_id);
+
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // Get the debugger from the default isolate. Preinitializes the
   // default isolate if needed.