Fix static race in DatabaseAuthorizer's whitelistedFunctions.

third_party/WebKit/Source/modules/webdatabase/DatabaseAuthorizer.cpp

 /*
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/webdatabase/DatabaseAuthorizer.h"
 
 #include "wtf/HashSet.h"
 #include "wtf/StdLibExtras.h"
+#include "wtf/Threading.h"
 #include "wtf/text/StringHash.h"
 
 namespace blink {
 
 DatabaseAuthorizer* DatabaseAuthorizer::create(const String& databaseInfoTableName)
 {
     return new DatabaseAuthorizer(databaseInfoTableName);
 }
 
 DatabaseAuthorizer::DatabaseAuthorizer(const String& databaseInfoTableName)
@@ skipping 15 matching lines @@
 void DatabaseAuthorizer::resetDeletes()
 {
     m_hadDeletes = false;
 }
 
 namespace {
 using FunctionNameList = HashSet<String, CaseFoldingHash>;
 
 const FunctionNameList& whitelistedFunctions()
 {
-    DEFINE_STATIC_LOCAL(FunctionNameList, list, ({
+    DEFINE_THREAD_SAFE_STATIC_LOCAL(FunctionNameList, list, new FunctionNameList({
         // SQLite functions used to help implement some operations
         // ALTER TABLE helpers
         "sqlite_rename_table",
         "sqlite_rename_trigger",
         // GLOB helpers
         "glob",
         // SQLite core functions
         "abs",
         "changes",
         "coalesce",
@@ skipping 344 matching lines @@
 
 int DatabaseAuthorizer::updateDeletesBasedOnTableName(const String& tableName)
 {
     int allow = denyBasedOnTableName(tableName);
     if (allow)
         m_hadDeletes = true;
     return allow;
 }
 
 } // namespace blink