Convert session.dart to triple-slash comment style

Change-Id: Idb5120b19ed6737b7c41b97327876113f11829d0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/101065
Commit-Queue: Paul Berry <paulberry@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
Auto-Submit: Paul Berry <paulberry@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
diff --git a/pkg/analyzer/lib/src/dart/analysis/session.dart b/pkg/analyzer/lib/src/dart/analysis/session.dart
index 6ff7f8f..5c88736 100644
--- a/pkg/analyzer/lib/src/dart/analysis/session.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/session.dart
@@ -17,38 +17,24 @@
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart';
 
-/**
- * A concrete implementation of an analysis session.
- */
+/// A concrete implementation of an analysis session.
 class AnalysisSessionImpl implements AnalysisSession {
-  /**
-   * The analysis driver performing analysis for this session.
-   */
+  /// The analysis driver performing analysis for this session.
   final driver.AnalysisDriver _driver;
 
-  /**
-   * The type provider being used by the analysis driver.
-   */
+  /// The type provider being used by the analysis driver.
   TypeProvider _typeProvider;
 
-  /**
-   * The type system being used by the analysis driver.
-   */
+  /// The type system being used by the analysis driver.
   TypeSystem _typeSystem;
 
-  /**
-   * The URI converter used to convert between URI's and file paths.
-   */
+  /// The URI converter used to convert between URI's and file paths.
   UriConverter _uriConverter;
 
-  /**
-   * The cache of libraries for URIs.
-   */
+  /// The cache of libraries for URIs.
   final Map<String, LibraryElement> _uriToLibraryCache = {};
 
-  /**
-   * Initialize a newly created analysis session.
-   */
+  /// Initialize a newly created analysis session.
   AnalysisSessionImpl(this._driver);
 
   @override
@@ -190,10 +176,8 @@
     return _driver.getUnitElementSignature(path);
   }
 
-  /**
-   * Check to see that results from this session will be consistent, and throw
-   * an [InconsistentAnalysisException] if they might not be.
-   */
+  /// Check to see that results from this session will be consistent, and throw
+  /// an [InconsistentAnalysisException] if they might not be.
   void _checkConsistency() {
     if (_driver.currentSession != this) {
       throw new InconsistentAnalysisException();