Removes the Callee parameter from FunctionCallbackInfo.

src/x64/code-stubs-x64.cc

 // Copyright 2013 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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 5202 matching lines @@
 
   Register callee = rdi;
   Register call_data = rbx;
   Register holder = rcx;
   Register api_function_address = rdx;
   Register context = rsi;
   Register return_address = r8;
 
   typedef FunctionCallbackArguments FCA;
 
-  STATIC_ASSERT(FCA::kContextSaveIndex == 6);
-  STATIC_ASSERT(FCA::kCalleeIndex == 5);
+  STATIC_ASSERT(FCA::kContextSaveIndex == 5);
   STATIC_ASSERT(FCA::kDataIndex == 4);
   STATIC_ASSERT(FCA::kReturnValueOffset == 3);
   STATIC_ASSERT(FCA::kReturnValueDefaultValueIndex == 2);
   STATIC_ASSERT(FCA::kIsolateIndex == 1);
   STATIC_ASSERT(FCA::kHolderIndex == 0);
-  STATIC_ASSERT(FCA::kArgsLength == 7);
+  STATIC_ASSERT(FCA::kArgsLength == 6);
 
   DCHECK(argc.is_immediate() || rax.is(argc.reg()));
 
   __ PopReturnAddressTo(return_address);
 
   // context save
   __ Push(context);
 
-  // callee
-  __ Push(callee);
-
   // call data
   __ Push(call_data);
   Register scratch = call_data;
   if (!call_data_undefined) {
     __ LoadRoot(scratch, Heap::kUndefinedValueRootIndex);
   }
   // return value
   __ Push(scratch);
   // return value default
   __ Push(scratch);
@@ skipping 151 matching lines @@
                            kStackSpace, nullptr, return_value_operand, NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64