[turbofan] Factor out the function specific part from the frame state operator.

src/compiler/instruction.h

Index: src/compiler/instruction.h
diff --git a/src/compiler/instruction.h b/src/compiler/instruction.h
index 7f202135a2a20ed8b4e480d276dd698e4b1d9eb2..a87ef7dc9c469f865919aeef34a79fbaacb5e033 100644
--- a/src/compiler/instruction.h
+++ b/src/compiler/instruction.h
@@ -877,7 +877,9 @@ class FrameStateDescriptor : public ZoneObject {
   size_t stack_count() const { return stack_count_; }
   MaybeHandle<SharedFunctionInfo> shared_info() const { return shared_info_; }
   FrameStateDescriptor* outer_state() const { return outer_state_; }
-  bool HasContext() const { return type_ == JS_FRAME; }
+  bool HasContext() const {
+    return type_ == FrameStateType::kJavaScriptFunction;
+  }
 
   size_t GetSize(OutputFrameStateCombine combine =
                      OutputFrameStateCombine::Ignore()) const;