Fix PathFilter constructor to be backward compatible with analyzer 0.26.0.

pkg/analysis_server/lib/src/context_manager.dart

Index: pkg/analysis_server/lib/src/context_manager.dart
diff --git a/pkg/analysis_server/lib/src/context_manager.dart b/pkg/analysis_server/lib/src/context_manager.dart
index 551f3812639e1585202cc48fc6f6f3fa7ab7389d..5088ae180ddf5d0b2f5fbfe4c0c4b2263de61543 100644
--- a/pkg/analysis_server/lib/src/context_manager.dart
+++ b/pkg/analysis_server/lib/src/context_manager.dart
@@ -94,7 +94,7 @@ class ContextInfo {
       : contextManager = contextManager,
         folder = folder,
         pathFilter = new PathFilter(
-            contextManager.resourceProvider.pathContext, folder.path, null) {
+            folder.path, null, contextManager.resourceProvider.pathContext) {
     packageDescriptionPath = packagespecFile.path;
     parent.children.add(this);
   }
@@ -311,7 +311,8 @@ class ContextManagerImpl implements ContextManager {
    * Temporary flag to hide WIP .packages support (DEP 5).
    */
   static bool ENABLE_PACKAGESPEC_SUPPORT = serverOptions.isSet(
-      'ContextManagerImpl.ENABLE_PACKAGESPEC_SUPPORT', defaultValue: true);
+      'ContextManagerImpl.ENABLE_PACKAGESPEC_SUPPORT',
+      defaultValue: true);
 
   /**
    * The name of the `lib` directory.
@@ -997,14 +998,14 @@ class ContextManagerImpl implements ContextManager {
 
           // Check to see if we need to create a new context.
           if (info.isTopLevel) {
-
             // Only create a new context if this is not the same directory
             // described by our info object.
             if (info.folder.path != directoryPath) {
               if (_isPubspec(path)) {
                 // Check for a sibling .packages file.
-                if (!resourceProvider.getFile(
-                    pathos.join(directoryPath, PACKAGE_SPEC_NAME)).exists) {
+                if (!resourceProvider
+                    .getFile(pathos.join(directoryPath, PACKAGE_SPEC_NAME))
+                    .exists) {
                   _extractContext(info, resource);
                   return;
                 }
@@ -1012,7 +1013,8 @@ class ContextManagerImpl implements ContextManager {
               if (_isPackagespec(path)) {
                 // Check for a sibling pubspec.yaml file.
                 if (!resourceProvider
-                    .getFile(pathos.join(directoryPath, PUBSPEC_NAME)).exists) {
+                    .getFile(pathos.join(directoryPath, PUBSPEC_NAME))
+                    .exists) {
                   _extractContext(info, resource);
                   return;
                 }
@@ -1056,8 +1058,9 @@ class ContextManagerImpl implements ContextManager {
             if (info.folder.path == directoryPath) {
               if (_isPubspec(path)) {
                 // Check for a sibling .packages file.
-                if (!resourceProvider.getFile(
-                    pathos.join(directoryPath, PACKAGE_SPEC_NAME)).exists) {
+                if (!resourceProvider
+                    .getFile(pathos.join(directoryPath, PACKAGE_SPEC_NAME))
+                    .exists) {
                   _mergeContext(info);
                   return;
                 }
@@ -1065,7 +1068,8 @@ class ContextManagerImpl implements ContextManager {
               if (_isPackagespec(path)) {
                 // Check for a sibling pubspec.yaml file.
                 if (!resourceProvider
-                    .getFile(pathos.join(directoryPath, PUBSPEC_NAME)).exists) {
+                    .getFile(pathos.join(directoryPath, PUBSPEC_NAME))
+                    .exists) {
                   _mergeContext(info);
                   return;
                 }
@@ -1227,7 +1231,8 @@ class ContextsChangedEvent {
   /**
    * Initialize a newly created event to indicate which contexts have changed.
    */
-  ContextsChangedEvent({this.added: AnalysisContext.EMPTY_LIST,
+  ContextsChangedEvent(
+      {this.added: AnalysisContext.EMPTY_LIST,
       this.changed: AnalysisContext.EMPTY_LIST,
       this.removed: AnalysisContext.EMPTY_LIST});
 }
@@ -1252,7 +1257,8 @@ class CustomPackageResolverDisposition extends FolderDisposition {
 
   @override
   Iterable<UriResolver> createPackageUriResolvers(
-      ResourceProvider resourceProvider) => <UriResolver>[resolver];
+          ResourceProvider resourceProvider) =>
+      <UriResolver>[resolver];
 }
 
 /**
@@ -1310,7 +1316,8 @@ class NoPackageFolderDisposition extends FolderDisposition {
 
   @override
   Iterable<UriResolver> createPackageUriResolvers(
-      ResourceProvider resourceProvider) => const <UriResolver>[];
+          ResourceProvider resourceProvider) =>
+      const <UriResolver>[];
 }
 
 /**
@@ -1349,5 +1356,6 @@ class PackagesFileDisposition extends FolderDisposition {
 
   @override
   Iterable<UriResolver> createPackageUriResolvers(
-      ResourceProvider resourceProvider) => const <UriResolver>[];
+          ResourceProvider resourceProvider) =>
+      const <UriResolver>[];
 }