Move IsStringUTF8/ASCII to base namespace

webkit/common/database/database_identifier.cc

Index: webkit/common/database/database_identifier.cc
diff --git a/webkit/common/database/database_identifier.cc b/webkit/common/database/database_identifier.cc
index 07bf3d78b0a92a678c625c92926c45489da1cbc5..c4649d2b9ca126dece8e136c22fdebb654cbbfd8 100644
--- a/webkit/common/database/database_identifier.cc
+++ b/webkit/common/database/database_identifier.cc
@@ -56,7 +56,7 @@ DatabaseIdentifier DatabaseIdentifier::CreateFromOrigin(const GURL& origin) {
 
 // static
 DatabaseIdentifier DatabaseIdentifier::Parse(const std::string& identifier) {
-  if (!IsStringASCII(identifier))
+  if (!base::IsStringASCII(identifier))
     return DatabaseIdentifier();
 
   size_t first_underscore = identifier.find_first_of('_');