Cleanup: Some simplifications in json_schema_compiler.

tools/json_schema_compiler/util.cc

Index: tools/json_schema_compiler/util.cc
diff --git a/tools/json_schema_compiler/util.cc b/tools/json_schema_compiler/util.cc
index 2806cfcf0f923c268dc1d9dd284fbe67f136342f..e7754cc475809e0c951a3d270261e8c8a11776f5 100644
--- a/tools/json_schema_compiler/util.cc
+++ b/tools/json_schema_compiler/util.cc
@@ -9,36 +9,31 @@
 namespace json_schema_compiler {
 namespace util {
 
-bool GetItemFromList(const base::ListValue& from, int index, int* out) {
-  return from.GetInteger(index, out);
+bool PopulateItem(const base::Value& from, int* out) {
+  return from.GetAsInteger(out);
 }
 
-bool GetItemFromList(const base::ListValue& from, int index, bool* out) {
-  return from.GetBoolean(index, out);
+bool PopulateItem(const base::Value& from, bool* out) {
+  return from.GetAsBoolean(out);
 }
 
-bool GetItemFromList(const base::ListValue& from, int index, double* out) {
-  return from.GetDouble(index, out);
+bool PopulateItem(const base::Value& from, double* out) {
+  return from.GetAsDouble(out);
 }
 
-bool GetItemFromList(const base::ListValue& from, int index, std::string* out) {
-  return from.GetString(index, out);
+bool PopulateItem(const base::Value& from, std::string* out) {
+  return from.GetAsString(out);
 }
 
-bool GetItemFromList(const base::ListValue& from,
-                     int index,
-                     linked_ptr<base::Value>* out) {
-  const base::Value* value = NULL;
-  if (!from.Get(index, &value))
-    return false;
-  *out = make_linked_ptr(value->DeepCopy());
+bool PopulateItem(const base::Value& from, linked_ptr<base::Value>* out) {
+  *out = make_linked_ptr(from.DeepCopy());
   return true;
 }
 
-bool GetItemFromList(const base::ListValue& from, int index,
-    linked_ptr<base::DictionaryValue>* out) {
+bool PopulateItem(const base::Value& from,
+                  linked_ptr<base::DictionaryValue>* out) {
   const base::DictionaryValue* dict = NULL;
-  if (!from.GetDictionary(index, &dict))
+  if (!from.GetAsDictionary(&dict))
     return false;
   *out = make_linked_ptr(dict->DeepCopy());
   return true;