Replace ENABLE(ASSERT) with DCHECK_IS_ON().

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

Index: third_party/WebKit/Source/modules/webdatabase/DatabaseManager.cpp
diff --git a/third_party/WebKit/Source/modules/webdatabase/DatabaseManager.cpp b/third_party/WebKit/Source/modules/webdatabase/DatabaseManager.cpp
index d019b7d066725de1b586ba11c0770ccf47d07d21..abab2e2bc0b375d63ffdd3e88d83e4b72c34a700 100644
--- a/third_party/WebKit/Source/modules/webdatabase/DatabaseManager.cpp
+++ b/third_party/WebKit/Source/modules/webdatabase/DatabaseManager.cpp
@@ -64,10 +64,6 @@ void DatabaseManager::terminateDatabaseThread() {
 }
 
 DatabaseManager::DatabaseManager()
-#if ENABLE(ASSERT)
-    : m_databaseContextRegisteredCount(0),
-      m_databaseContextInstanceCount(0)
-#endif
 {
 }
 
@@ -98,7 +94,7 @@ void DatabaseManager::registerDatabaseContext(
     DatabaseContext* databaseContext) {
   ExecutionContext* context = databaseContext->getExecutionContext();
   m_contextMap.set(context, databaseContext);
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   m_databaseContextRegisteredCount++;
 #endif
 }
@@ -107,13 +103,13 @@ void DatabaseManager::unregisterDatabaseContext(
     DatabaseContext* databaseContext) {
   ExecutionContext* context = databaseContext->getExecutionContext();
   ASSERT(m_contextMap.get(context));
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   m_databaseContextRegisteredCount--;
 #endif
   m_contextMap.remove(context);
 }
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
 void DatabaseManager::didConstructDatabaseContext() {
   m_databaseContextInstanceCount++;
 }