base: Add Is* functions to Value class.

chrome/common/web_apps.cc

Index: chrome/common/web_apps.cc
diff --git a/chrome/common/web_apps.cc b/chrome/common/web_apps.cc
index b6591b7c71d82b1084f777f1c5b36733c40bd57d..198eadd70af4ce132934408919cc3364770f763a 100644
--- a/chrome/common/web_apps.cc
+++ b/chrome/common/web_apps.cc
@@ -222,8 +222,7 @@ bool ParseWebAppFromDefinitionFile(Value* definition_value,
           &error_message));
   CHECK(schema.get())
       << "Error parsing JSON schema: " << error_code << ": " << error_message;
-  CHECK(schema->IsType(Value::TYPE_DICTIONARY))
-      << "schema root must be dictionary.";
+  CHECK(schema->IsDictionary()) << "schema root must be dictionary.";
 
   JSONSchemaValidator validator(static_cast<DictionaryValue*>(schema.get()));
 
@@ -239,7 +238,7 @@ bool ParseWebAppFromDefinitionFile(Value* definition_value,
 
   // This must be true because the schema requires the root value to be a
   // dictionary.
-  CHECK(definition_value->IsType(Value::TYPE_DICTIONARY));
+  CHECK(definition_value->IsDictionary());
   DictionaryValue* definition = static_cast<DictionaryValue*>(definition_value);
 
   // Parse launch URL. It must be a valid URL in the same origin as the