Clean up logging uses

pkg/analyzer/lib/src/generated/source_io.dart

Index: pkg/analyzer/lib/src/generated/source_io.dart
diff --git a/pkg/analyzer/lib/src/generated/source_io.dart b/pkg/analyzer/lib/src/generated/source_io.dart
index ff584e487190fec29eb1db676b7332dfaf272543..9fa796ab2acbf0aa8ddd659f25f42f3b186cb3a6 100644
--- a/pkg/analyzer/lib/src/generated/source_io.dart
+++ b/pkg/analyzer/lib/src/generated/source_io.dart
@@ -431,12 +431,16 @@ class PackageUriResolver extends UriResolver {
     JavaFile pkgDir = new JavaFile.relative(packagesDirectory, pkgName);
     try {
       pkgDir = pkgDir.getCanonicalFile();
-    } on JavaIOException catch (e) {
-      if (!e.toString().contains("Required key not available")) {
-        AnalysisEngine.instance.logger.logError2("Canonical failed: $pkgDir", e);
+    } on JavaIOException catch (exception, stackTrace) {
+      if (!exception.toString().contains("Required key not available")) {
+        AnalysisEngine.instance.logger.logError(
+            "Canonical failed: $pkgDir",
+            new CaughtException(exception, stackTrace));
       } else if (_CanLogRequiredKeyIoException) {
         _CanLogRequiredKeyIoException = false;
-        AnalysisEngine.instance.logger.logError2("Canonical failed: $pkgDir", e);
+        AnalysisEngine.instance.logger.logError(
+            "Canonical failed: $pkgDir",
+            new CaughtException(exception, stackTrace));
       }
     }
     return new JavaFile.relative(pkgDir, relPath.replaceAll('/', new String.fromCharCode(JavaFile.separatorChar)));