[wasm] Allocate a single script per wasm module

src/wasm/module-decoder.h

Index: src/wasm/module-decoder.h
diff --git a/src/wasm/module-decoder.h b/src/wasm/module-decoder.h
index 15927a374efe98565f006180f3b87f27f5bc2d06..7cf5cfe3c107a8e4a7b1fd9ed9a80cd135c2393f 100644
--- a/src/wasm/module-decoder.h
+++ b/src/wasm/module-decoder.h
@@ -44,9 +44,8 @@ V8_EXPORT_PRIVATE FunctionResult DecodeWasmFunction(Isolate* isolate,
 // Extracts the function offset table from the wasm module bytes.
 // Returns a vector with <offset, length> entries, or failure if the wasm bytes
 // are detected as invalid. Note that this validation is not complete.
-FunctionOffsetsResult DecodeWasmFunctionOffsets(
-    const byte* module_start, const byte* module_end,
-    uint32_t num_imported_functions);
+FunctionOffsetsResult DecodeWasmFunctionOffsets(const byte* module_start,
+                                                const byte* module_end);
 
 V8_EXPORT_PRIVATE WasmInitExpr DecodeWasmInitExprForTesting(const byte* start,
                                                             const byte* end);
@@ -57,8 +56,7 @@ V8_EXPORT_PRIVATE WasmInitExpr DecodeWasmInitExprForTesting(const byte* start,
 // failure if the wasm bytes are detected as invalid. Note that this validation
 // is not complete.
 AsmJsOffsetsResult DecodeAsmJsOffsets(const byte* module_start,
-                                      const byte* module_end,
-                                      uint32_t num_imported_functions);
+                                      const byte* module_end);
 
 }  // namespace wasm
 }  // namespace internal