Make base::Value::TYPE a scoped enum.

chrome/test/chromedriver/element_util.cc

 // Copyright (c) 2013 The Chromium 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 "chrome/test/chromedriver/element_util.h"
 
 #include <utility>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 246 matching lines @@
     arguments.Append(CreateElement(*root_element_id));
 
   base::TimeTicks start_time = base::TimeTicks::Now();
   while (true) {
     std::unique_ptr<base::Value> temp;
     Status status = web_view->CallFunction(
         session->GetCurrentFrameId(), script, arguments, &temp);
     if (status.IsError())
       return status;
 
-    if (!temp->IsType(base::Value::TYPE_NULL)) {
+    if (!temp->IsType(base::Value::Type::NONE)) {
       if (only_one) {
         value->reset(temp.release());
         return Status(kOk);
       } else {
         base::ListValue* result;
         if (!temp->GetAsList(&result))
           return Status(kUnknownError, "script returns unexpected result");
         if (result->GetSize() > 0U) {
           value->reset(temp.release());
           return Status(kOk);
@@ skipping 377 matching lines @@
     status = ScrollElementRegionIntoViewHelper(
         rit->parent_frame_id, web_view, frame_element_id,
         WebRect(region_offset, region_size),
         center, frame_element_id, &region_offset);
     if (status.IsError())
       return status;
   }
   *location = region_offset;
   return Status(kOk);
 }