[wasm][asm.js] Pass Script with Handle.

src/asmjs/asm-typer.h

Index: src/asmjs/asm-typer.h
diff --git a/src/asmjs/asm-typer.h b/src/asmjs/asm-typer.h
index b8e8b2c40228f5183a946008a54a7b50cdefc0be..33ba39e7cce0b052d9ebff1c4f04e44137860b6c 100644
--- a/src/asmjs/asm-typer.h
+++ b/src/asmjs/asm-typer.h
@@ -68,7 +68,8 @@ class AsmTyper final {
   };
 
   ~AsmTyper() = default;
-  AsmTyper(Isolate* isolate, Zone* zone, Script* script, FunctionLiteral* root);
+  AsmTyper(Isolate* isolate, Zone* zone, Handle<Script> script,
+           FunctionLiteral* root);
 
   bool Validate();
   // Do asm.js validation in phases (to interleave with conversion to wasm).
@@ -369,7 +370,7 @@ class AsmTyper final {
 
   Isolate* isolate_;
   Zone* zone_;
-  Script* script_;
+  Handle<Script> script_;
   FunctionLiteral* root_;
   bool in_function_ = false;