Marks FunctionCallbackInfo's Callee as deprecated.

BUG=

Review URL: https://codereview.chromium.org/1582793004

Cr-Commit-Position: refs/heads/master@{#33319}

include/v8.h

@@ -3146,7 +3146,8 @@ class FunctionCallbackInfo {
  public:
   V8_INLINE int Length() const;
   V8_INLINE Local<Value> operator[](int i) const;
-  V8_INLINE Local<Function> Callee() const;
+  V8_INLINE V8_DEPRECATED("Use Data() to explicitly pass Callee instead",
+                          Local<Function> Callee() const);
   V8_INLINE Local<Object> This() const;
   V8_INLINE Local<Object> Holder() const;
   V8_INLINE bool IsConstructCall() const;

test/cctest/test-api.cc

@@ -7679,7 +7679,6 @@ static void ArgumentsTestCallback(
   ApiTestFuzzer::Fuzz();
   v8::Isolate* isolate = args.GetIsolate();
   Local<Context> context = isolate->GetCurrentContext();
-  CHECK(args_fun->Equals(context, args.Callee()).FromJust());
   CHECK_EQ(3, args.Length());
   CHECK(v8::Integer::New(isolate, 1)->Equals(context, args[0]).FromJust());
   CHECK(v8::Integer::New(isolate, 2)->Equals(context, args[1]).FromJust());
@@ -21928,7 +21927,6 @@ class ApiCallOptimizationChecker {
 
   static void OptimizationCallback(
       const v8::FunctionCallbackInfo<v8::Value>& info) {
-    CHECK(callee == info.Callee());
     CHECK(data == info.Data());
     CHECK(receiver == info.This());
     if (info.Length() == 1) {