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

tools/json_schema_compiler/cc_generator.py

Index: tools/json_schema_compiler/cc_generator.py
diff --git a/tools/json_schema_compiler/cc_generator.py b/tools/json_schema_compiler/cc_generator.py
index 0cde6cab3193639e7fdc2d5bf7041cfbebf71ac2..aa22ea1b4072d66a12b1efe56f580397056ae518 100644
--- a/tools/json_schema_compiler/cc_generator.py
+++ b/tools/json_schema_compiler/cc_generator.py
@@ -947,8 +947,7 @@
       .Concat(self._GenerateStringToEnumConversion(item_type,
                                                    '(it)',
                                                    'tmp',
-                                                   failure_value,
-                                                   is_ptr=False))
+                                                   failure_value))
       .Append('%s%spush_back(tmp);' % (dst_var, accessor))
       .Eblock('}')
     )
@@ -958,8 +957,7 @@
                                       type_,
                                       src_var,
                                       dst_var,
-                                      failure_value,
-                                      is_ptr=True):
+                                      failure_value):
     """Returns Code that converts a string type in |src_var| to an enum with
     type |type_| in |dst_var|. In the generated code, if |src_var| is not
     a valid enum name then the function will return |failure_value|.
@@ -971,14 +969,11 @@
     cpp_type_namespace = ''
     if type_.namespace != self._namespace:
       cpp_type_namespace = '%s::' % type_.namespace.unix_name
-    accessor = '->' if is_ptr else '.'
     (c.Append('std::string %s;' % enum_as_string)
-      .Sblock('if (!%s%sGetAsString(&%s)) {' % (src_var,
-                                                accessor,
-                                                enum_as_string))
+      .Sblock('if (!%s->GetAsString(&%s)) {' % (src_var, enum_as_string))
       .Concat(self._GenerateError(
         '"\'%%(key)s\': expected string, got " + ' +
-        self._util_cc_helper.GetValueTypeString('%%(src_var)s', is_ptr)))
+        self._util_cc_helper.GetValueTypeString('%%(src_var)s', True)))
       .Append('return %s;' % failure_value)
       .Eblock('}')
       .Append('%s = %sParse%s(%s);' % (dst_var,