Polish Maybe API a bit, removing useless creativity and fixing some signatures.

src/type-info.cc

 // Copyright 2012 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.
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/ic/ic.h"
@@ skipping 261 matching lines @@
                                     Maybe<int>* fixed_right_arg,
                                     Handle<AllocationSite>* allocation_site,
                                     Token::Value op) {
   Handle<Object> object = GetInfo(id);
   if (!object->IsCode()) {
     // For some binary ops we don't have ICs, e.g. Token::COMMA, but for the
     // operations covered by the BinaryOpIC we should always have them.
     DCHECK(op < BinaryOpICState::FIRST_TOKEN ||
            op > BinaryOpICState::LAST_TOKEN);
     *left = *right = *result = Type::None(zone());
-    *fixed_right_arg = Maybe<int>();
+    *fixed_right_arg = Nothing<int>();
     *allocation_site = Handle<AllocationSite>::null();
     return;
   }
   Handle<Code> code = Handle<Code>::cast(object);
   DCHECK_EQ(Code::BINARY_OP_IC, code->kind());
   BinaryOpICState state(isolate(), code->extra_ic_state());
   DCHECK_EQ(op, state.op());
 
   *left = state.GetLeftType(zone());
   *right = state.GetRightType(zone());
@@ skipping 269 matching lines @@
          UnseededNumberDictionary::kNotFound);
   // Dictionary has been allocated with sufficient size for all elements.
   DisallowHeapAllocation no_need_to_resize_dictionary;
   HandleScope scope(isolate());
   USE(UnseededNumberDictionary::AtNumberPut(
       dictionary_, IdToKey(ast_id), handle(target, isolate())));
 }
 
 
 } }  // namespace v8::internal