Separating Web SQL into dart:web_sql.

sdk/lib/_internal/compiler/implementation/native_handler.dart

Index: sdk/lib/_internal/compiler/implementation/native_handler.dart
diff --git a/sdk/lib/_internal/compiler/implementation/native_handler.dart b/sdk/lib/_internal/compiler/implementation/native_handler.dart
index 3798f215b2768686f6d8eb9a542ad545a2544cab..0d5b23273d5ec3a1c73167ca82bdc635ed438dbe 100644
--- a/sdk/lib/_internal/compiler/implementation/native_handler.dart
+++ b/sdk/lib/_internal/compiler/implementation/native_handler.dart
@@ -479,7 +479,8 @@ void maybeEnableNative(Compiler compiler,
       || libraryName == 'dart:html_common'
       || libraryName == 'dart:indexed_db'
       || libraryName == 'dart:svg'
-      || libraryName == 'dart:web_audio') {
+      || libraryName == 'dart:web_audio'
+      || libraryName == 'dart:web_sql') {
     library.canUseNative = true;
   }
 }