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

chrome/browser/themes/browser_theme_pack.cc

Index: chrome/browser/themes/browser_theme_pack.cc
diff --git a/chrome/browser/themes/browser_theme_pack.cc b/chrome/browser/themes/browser_theme_pack.cc
index 1917736af2bdb528d125df760f528a747f70805c..7da11d3af2e8584edb82f89992d943339626056b 100644
--- a/chrome/browser/themes/browser_theme_pack.cc
+++ b/chrome/browser/themes/browser_theme_pack.cc
@@ -1096,7 +1096,7 @@ void BrowserThemePack::ParseImageNamesFromJSON(
 
   for (base::DictionaryValue::Iterator iter(*images_value); !iter.IsAtEnd();
        iter.Advance()) {
-    if (iter.value().IsType(base::Value::TYPE_DICTIONARY)) {
+    if (iter.value().IsType(base::Value::Type::DICTIONARY)) {
       const base::DictionaryValue* inner_value = NULL;
       if (iter.value().GetAsDictionary(&inner_value)) {
         for (base::DictionaryValue::Iterator inner_iter(*inner_value);
@@ -1105,7 +1105,7 @@ void BrowserThemePack::ParseImageNamesFromJSON(
           std::string name;
           ui::ScaleFactor scale_factor = ui::SCALE_FACTOR_NONE;
           if (GetScaleFactorFromManifestKey(inner_iter.key(), &scale_factor) &&
-              inner_iter.value().IsType(base::Value::TYPE_STRING) &&
+              inner_iter.value().IsType(base::Value::Type::STRING) &&
               inner_iter.value().GetAsString(&name)) {
             AddFileAtScaleToMap(iter.key(),
                                 scale_factor,
@@ -1114,7 +1114,7 @@ void BrowserThemePack::ParseImageNamesFromJSON(
           }
         }
       }
-    } else if (iter.value().IsType(base::Value::TYPE_STRING)) {
+    } else if (iter.value().IsType(base::Value::Type::STRING)) {
       std::string name;
       if (iter.value().GetAsString(&name)) {
         AddFileAtScaleToMap(iter.key(),