base: Add Is* functions to Value class.

chrome/browser/prefs/pref_model_associator.cc

Index: chrome/browser/prefs/pref_model_associator.cc
diff --git a/chrome/browser/prefs/pref_model_associator.cc b/chrome/browser/prefs/pref_model_associator.cc
index 88c96400ad74cdb2f1240b4f47da1d4690b2b4a7..21d6a74e860ef8cd6b2c7a3daa55fad0bfb1c4bc 100644
--- a/chrome/browser/prefs/pref_model_associator.cc
+++ b/chrome/browser/prefs/pref_model_associator.cc
@@ -72,9 +72,9 @@ void PrefModelAssociator::InitPrefAndAssociate(
     // Update the local preference based on what we got from the
     // sync server. Note: this only updates the user value store, which is
     // ignored if the preference is policy controlled.
-    if (new_value->IsType(Value::TYPE_NULL)) {
+    if (new_value->IsNull()) {
       pref_service_->ClearPref(pref_name.c_str());
-    } else if (!new_value->IsType(pref->GetType())) {
+    } else if (new_value->GetType() != pref->GetType()) {
       LOG(WARNING) << "Synced value for " << preference.name()
                    << " is of type " << new_value->GetType()
                    << " which doesn't match pref type " << pref->GetType();