[turbofan] Enable inlining based on SharedFunctionInfo.

src/compiler/js-inlining.h

Index: src/compiler/js-inlining.h
diff --git a/src/compiler/js-inlining.h b/src/compiler/js-inlining.h
index 9bb8ec46436d84477ee6695981604474ce8a240d..300938245077c5e86dd1862628f6623598104aa0 100644
--- a/src/compiler/js-inlining.h
+++ b/src/compiler/js-inlining.h
@@ -36,7 +36,7 @@ class JSInliner final : public AdvancedReducer {
 
   // Can be used by inlining heuristics or by testing code directly, without
   // using the above generic reducer interface of the inlining machinery.
-  Reduction ReduceJSCall(Node* node, Handle<JSFunction> function);
+  Reduction ReduceJSCall(Node* node);
 
  private:
   CommonOperatorBuilder* common() const;
@@ -50,6 +50,11 @@ class JSInliner final : public AdvancedReducer {
   JSGraph* const jsgraph_;
   SourcePositionTable* const source_positions_;
 
+  bool DetermineCallTarget(Node* node,
+                           Handle<SharedFunctionInfo>& shared_info_out);
+  void DetermineCallContext(Node* node, Node*& context_out,
+                            Handle<TypeFeedbackVector>& feedback_vector_out);
+
   Node* CreateArtificialFrameState(Node* node, Node* outer_frame_state,
                                    int parameter_count,
                                    FrameStateType frame_state_type,