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

chrome/common/extensions/api/extension_action/action_info.cc

Index: chrome/common/extensions/api/extension_action/action_info.cc
diff --git a/chrome/common/extensions/api/extension_action/action_info.cc b/chrome/common/extensions/api/extension_action/action_info.cc
index c30141df4dfe67ef30e815221603c18dab25e46a..aa8376b06dcbc5477ccb6eab2b38be688afa1717 100644
--- a/chrome/common/extensions/api/extension_action/action_info.cc
+++ b/chrome/common/extensions/api/extension_action/action_info.cc
@@ -68,7 +68,8 @@
         dict->GetList(keys::kPageActionIcons, &icons)) {
       base::ListValue::const_iterator iter = icons->begin();
       std::string path;
-      if (iter == icons->end() || !iter->GetAsString(&path) ||
+      if (iter == icons->end() ||
+          !(*iter)->GetAsString(&path) ||
           !manifest_handler_helpers::NormalizeAndValidatePath(&path)) {
         *error = base::ASCIIToUTF16(errors::kInvalidPageActionIconPath);
         return std::unique_ptr<ActionInfo>();