[inspector] Introduce debug::WasmScript

src/debug/debug-interface.h

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_DEBUG_DEBUG_INTERFACE_H_
 #define V8_DEBUG_DEBUG_INTERFACE_H_
 
 #include "include/v8-debug.h"
 #include "include/v8-util.h"
 #include "include/v8.h"
@@ skipping 158 matching lines @@
    * Returns empty local if not called with a valid wrapper of
    * v8::internal::Script.
    */
   static MaybeLocal<Script> Wrap(Isolate* isolate,
                                  v8::Local<v8::Object> script);
 
  private:
   int GetSourcePosition(const debug::Location& location) const;
 };
 
+// Specialization for wasm Scripts.
+class WasmScript : public Script {
+ public:
+  static WasmScript* Cast(Script* script);
+
+  int NumFunctions() const;
+  int NumImportedFunctions() const;
+
+  debug::WasmDisassembly DisassembleFunction(int function_index) const;
+};
+
 void GetLoadedScripts(Isolate* isolate, PersistentValueVector<Script>& scripts);
 
-/**
- * Compute the disassembly of a wasm function.
- */
-debug::WasmDisassembly DisassembleWasmFunction(Isolate* isolate,
-                                               v8::Local<v8::Object> script,
-                                               int function_index);
-
 MaybeLocal<UnboundScript> CompileInspectorScript(Isolate* isolate,
                                                  Local<String> source);
 
 }  // namespace debug
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_INTERFACE_H_