Map v8::Function to JSReceiver + IsCallable

test/cctest/compiler/function-tester.h

 // Copyright 2014 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_CCTEST_COMPILER_FUNCTION_TESTER_H_
 #define V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
 
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
@@ skipping 103 matching lines @@
 
   void CheckFalse(Handle<Object> a) {
     CheckCall(false_value(), a, undefined());
   }
 
   void CheckFalse(double a, double b) {
     CheckCall(false_value(), Val(a), Val(b));
   }
 
   Handle<JSFunction> NewFunction(const char* source) {
-    return v8::Utils::OpenHandle(
-        *v8::Local<v8::Function>::Cast(CompileRun(source)));
+    return Handle<JSFunction>::cast(v8::Utils::OpenHandle(
+        *v8::Local<v8::Function>::Cast(CompileRun(source))));
   }
 
   Handle<JSObject> NewObject(const char* source) {
     return v8::Utils::OpenHandle(
         *v8::Local<v8::Object>::Cast(CompileRun(source)));
   }
 
   Handle<String> Val(const char* string) {
     return isolate->factory()->InternalizeUtf8String(string);
   }
@@ skipping 74 matching lines @@
     CHECK(!code.is_null());
     function->ReplaceCode(*code);
     return function;
   }
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_FUNCTION_TESTER_H_