Store SharedFunctionInfos of a Script in a FixedArray indexed by their ID

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index e1347ffcefd5c63d298480f3aa9fd3e563183925..31062dfa03de4cee849d4ce0a90e6ec0cf6b5684 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -45,6 +45,10 @@ class V8_EXPORT_PRIVATE Factory final {
       int size,
       PretenureFlag pretenure = NOT_TENURED);
 
+  // Allocate a new fixed array with Smi entries.
+  Handle<FixedArray> NewFixedArrayWithSmis(
+      int size, int value, PretenureFlag pretenure = NOT_TENURED);
+
   // Allocates an uninitialized fixed array. It must be filled by the caller.
   Handle<FixedArray> NewUninitializedFixedArray(int size);