Revert of Change base::Value::ListStorage to std::vector<base::Value>

chrome/browser/devtools/chrome_devtools_manager_delegate.cc

Index: chrome/browser/devtools/chrome_devtools_manager_delegate.cc
diff --git a/chrome/browser/devtools/chrome_devtools_manager_delegate.cc b/chrome/browser/devtools/chrome_devtools_manager_delegate.cc
index 3939cc6e9144370a39406474ad9b0c02e56a090e..d2008b54831d2afdd9c597ff987ef57e5df4943b 100644
--- a/chrome/browser/devtools/chrome_devtools_manager_delegate.cc
+++ b/chrome/browser/devtools/chrome_devtools_manager_delegate.cc
@@ -262,12 +262,12 @@
     return DevToolsProtocol::CreateInvalidParamsResponse(command_id,
                                                          kLocationsParam);
   for (const auto& item : *locations) {
-    if (!item.IsType(base::Value::Type::DICTIONARY)) {
+    if (!item->IsType(base::Value::Type::DICTIONARY)) {
       return DevToolsProtocol::CreateInvalidParamsResponse(command_id,
                                                            kLocationsParam);
     }
-    const base::DictionaryValue* dictionary =
-        static_cast<const base::DictionaryValue*>(&item);
+    base::DictionaryValue* dictionary =
+        static_cast<base::DictionaryValue*>(item.get());
     std::string host;
     if (!dictionary->GetStringWithoutPathExpansion(kHostParam, &host)) {
       return DevToolsProtocol::CreateInvalidParamsResponse(command_id,