Elements. Remove FragmentImpl.name, pass name2 into constructors.

Change-Id: I2ef1a470de20ebc61b1e1178453cb609320ddd15
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/432462
Commit-Queue: Konstantin Shcheglov <[email protected]>
Reviewed-by: Paul Berry <[email protected]>

Author: scheglov

pkg/analyzer/lib/src/dart/analysis/driver.dart

@@ -110,7 +110,7 @@ testFineAfterLibraryAnalyzerHook;
 // TODO(scheglov): Clean up the list of implicitly analyzed files.
 class AnalysisDriver {
   /// The version of data format, should be incremented on every format change.
-  static const int DATA_VERSION = 467;
+  static const int DATA_VERSION = 469;
 
   /// The number of exception contexts allowed to write. Once this field is
   /// zero, we stop writing any new exception contexts in this process.

pkg/analyzer/lib/src/dart/element/display_string_builder.dart

@@ -642,10 +642,9 @@ class ElementDisplayStringBuilder {
       }
 
       var newTypeParameter = TypeParameterFragmentImpl(
-        name: name,
+        name2: name,
         nameOffset: -1,
       );
-      newTypeParameter.name2 = name;
       newTypeParameter.bound = typeParameter.bound;
       newTypeParameters.add(newTypeParameter.asElement2);
     }