[wasm] Allow import function to be any kind of callables.

src/compiler/wasm-compiler.h

 // Copyright 2015 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_COMPILER_WASM_COMPILER_H_
 #define V8_COMPILER_WASM_COMPILER_H_
 
 #include <memory>
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
@@ skipping 63 matching lines @@
   CompilationInfo info_;
   std::unique_ptr<CompilationJob> job_;
   uint32_t index_;
   wasm::Result<wasm::DecodeStruct*> graph_construction_result_;
   bool ok_;
 
   DISALLOW_COPY_AND_ASSIGN(WasmCompilationUnit);
 };
 
 // Wraps a JS function, producing a code object that can be called from WASM.
-Handle<Code> CompileWasmToJSWrapper(Isolate* isolate,
-                                    Handle<JSFunction> function,
+Handle<Code> CompileWasmToJSWrapper(Isolate* isolate, Handle<JSReceiver> target,
                                     wasm::FunctionSig* sig, uint32_t index,
                                     Handle<String> import_module,
                                     MaybeHandle<String> import_function);
 
 // Wraps a given wasm code object, producing a code object.
 Handle<Code> CompileJSToWasmWrapper(Isolate* isolate, wasm::ModuleEnv* module,
                                     Handle<Code> wasm_code, uint32_t index);
 
 // Abstracts details of building TurboFan graph nodes for WASM to separate
 // the WASM decoder from the internal details of TurboFan.
@@ skipping 53 matching lines @@
   Node* ReturnVoid();
   Node* Unreachable(wasm::WasmCodePosition position);
 
   Node* CallDirect(uint32_t index, Node** args,
                    wasm::WasmCodePosition position);
   Node* CallImport(uint32_t index, Node** args,
                    wasm::WasmCodePosition position);
   Node* CallIndirect(uint32_t index, Node** args,
                      wasm::WasmCodePosition position);
   void BuildJSToWasmWrapper(Handle<Code> wasm_code, wasm::FunctionSig* sig);
-  void BuildWasmToJSWrapper(Handle<JSFunction> function,
-                            wasm::FunctionSig* sig);
+  void BuildWasmToJSWrapper(Handle<JSReceiver> target, wasm::FunctionSig* sig);
 
-  Node* ToJS(Node* node, Node* context, wasm::LocalType type);
+  Node* ToJS(Node* node, wasm::LocalType type);
   Node* FromJS(Node* node, Node* context, wasm::LocalType type);
   Node* Invert(Node* node);
   Node* FunctionTable(uint32_t index);
 
   //-----------------------------------------------------------------------
   // Operations that concern the linear memory.
   //-----------------------------------------------------------------------
   Node* MemSize(uint32_t offset);
   Node* GetGlobal(uint32_t index);
   Node* SetGlobal(uint32_t index, Node* val);
@@ skipping 162 matching lines @@
     Node** buf = Buffer(new_count);
     if (buf != buffer) memcpy(buf, buffer, old_count * sizeof(Node*));
     return buf;
   }
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_