base: Add Is* functions to Value class.

net/base/crl_filter.cc

Index: net/base/crl_filter.cc
diff --git a/net/base/crl_filter.cc b/net/base/crl_filter.cc
index d438cc7869375f4f7ec5c85b2051d40b44131547..548dbd2f7d9aa59bfca8e3df05c66f483e739809 100644
--- a/net/base/crl_filter.cc
+++ b/net/base/crl_filter.cc
@@ -533,7 +533,7 @@ static DictionaryValue* ReadDescription(base::StringPiece* data) {
   if (description.get() == NULL)
     return NULL;
 
-  if (!description->IsType(Value::TYPE_DICTIONARY))
+  if (!description->IsDictionary())
     return NULL;
   return reinterpret_cast<DictionaryValue*>(description.release());
 }
@@ -549,7 +549,7 @@ CRLFilter* CRLFilter::CRLFilterFromHeader(base::StringPiece header_bytes) {
   if (header.get() == NULL)
     return NULL;
 
-  if (!header->IsType(Value::TYPE_DICTIONARY))
+  if (!header->IsDictionary())
     return NULL;
   DictionaryValue* header_dict =
       reinterpret_cast<DictionaryValue*>(header.get());