Remove several references to JavaFile

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index c8a653a391edf74922ad47b1b04cdcfc082e99f3..6985ff56a3a33482e391c2b4ab4b62b24a2bd8a9 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -401,7 +401,7 @@ class AnalysisServer {
       for (String pattern in patterns) {
         try {
           _analyzedFilesGlobs
-              .add(new Glob(JavaFile.pathContext.separator, pattern));
+              .add(new Glob(resourceProvider.pathContext.separator, pattern));
         } catch (exception, stackTrace) {
           AnalysisEngine.instance.logger.logError(
               'Invalid glob pattern: "$pattern"',