Change return-type of SetDataProperty to Handle.

src/objects.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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/api.h"
 #include "src/arguments.h"
@@ skipping 2914 matching lines @@
                                                     StrictMode strict_mode) {
   if (strict_mode != STRICT) return value;
 
   Handle<Object> args[] = {it->name(), it->GetReceiver()};
   Handle<Object> error = it->factory()->NewTypeError(
       "strict_read_only_property", HandleVector(args, ARRAY_SIZE(args)));
   return it->isolate()->Throw<Object>(error);
 }
 
 
-MaybeHandle<Object> Object::SetDataProperty(LookupIterator* it,
-                                            Handle<Object> value) {
+Handle<Object> Object::SetDataProperty(LookupIterator* it,
+                                       Handle<Object> value) {
   // Proxies are handled on the WithHandler path. Other non-JSObjects cannot
   // have own properties.
   Handle<JSObject> receiver = Handle<JSObject>::cast(it->GetReceiver());
 
   // Store on the holder which may be hidden behind the receiver.
   DCHECK(it->HolderIsReceiverOrHiddenPrototype());
 
   // Old value for the observation change record.
   // Fetch before transforming the object since the encoding may become
   // incompatible with what's cached in |it|.
@@ skipping 13525 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal