[builtins] Add support for NewTarget to Execution::New.

src/execution.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_EXECUTION_H_
 #define V8_EXECUTION_H_
 
 #include "src/allocation.h"
 #include "src/base/atomicops.h"
 #include "src/handles.h"
@@ skipping 13 matching lines @@
   // When the function called is not in strict mode, receiver is
   // converted to an object.
   //
   MUST_USE_RESULT static MaybeHandle<Object> Call(Isolate* isolate,
                                                   Handle<Object> callable,
                                                   Handle<Object> receiver,
                                                   int argc,
                                                   Handle<Object> argv[]);
 
   // Construct object from function, the caller supplies an array of
-  // arguments. Arguments are Object* type. After function returns,
-  // pointers in 'args' might be invalid.
-  //
-  // *pending_exception tells whether the invoke resulted in
-  // a pending exception.
-  //
-  MUST_USE_RESULT static MaybeHandle<Object> New(Handle<JSFunction> func,
+  // arguments.
+  MUST_USE_RESULT static MaybeHandle<Object> New(Handle<JSFunction> constructor,
+                                                 int argc,
+                                                 Handle<Object> argv[]);
+  MUST_USE_RESULT static MaybeHandle<Object> New(Handle<JSFunction> constructor,
+                                                 Handle<JSFunction> new_target,
                                                  int argc,
                                                  Handle<Object> argv[]);
 
   // Call a function, just like Call(), but make sure to silently catch
   // any thrown exceptions. The return value is either the result of
   // calling the function (if caught exception is false) or the exception
   // that occurred (if caught exception is true).
   // In the exception case, exception_out holds the caught exceptions, unless
   // it is a termination exception.
   static MaybeHandle<Object> TryCall(Handle<JSFunction> func,
@@ skipping 223 matching lines @@
   friend class Isolate;
   friend class StackLimitCheck;
   friend class PostponeInterruptsScope;
 
   DISALLOW_COPY_AND_ASSIGN(StackGuard);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXECUTION_H_