Add InstrumentationService.logPriorityException() and use logException() in refactorings.

pkg/analysis_server/lib/driver.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library driver;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:analysis_server/http_server.dart';
@@ skipping 234 matching lines @@
    * Execute the given [callback] within a zone that will capture any unhandled
    * exceptions and both report them to the client and send them to the given
    * instrumentation [service]. If a [print] function is provided, then also
    * capture any data printed by the callback and redirect it to the function.
    */
   dynamic _captureExceptions(InstrumentationService service, dynamic callback(),
       {void print(String line)}) {
     Function errorFunction =
         (Zone self, ZoneDelegate parent, Zone zone, dynamic exception,
             StackTrace stackTrace) {
-      service.logException(exception, stackTrace);
+      service.logPriorityException(exception, stackTrace);
       socketServer.analysisServer.reportException(exception, stackTrace);
       throw exception;
     };
     Function printFunction = print == null ?
         null :
         (Zone self, ZoneDelegate parent, Zone zone, String line) {
       // Note: we don't pass the line on to stdout, because that is reserved
       // for communication to the client.
       print(line);
     };
     ZoneSpecification zoneSpecification = new ZoneSpecification(
         handleUncaughtError: errorFunction,
         print: printFunction);
     return runZoned(callback, zoneSpecification: zoneSpecification);
   }
 
   /**
    * Print information about how to use the server.
    */
   void _printUsage(ArgParser parser) {
     print('Usage: $BINARY_NAME [flags]');
     print('');
     print('Supported flags are:');
     print(parser.usage);
   }
 }