Parts. Compress '::@Fragment::libraryUri' into '::<fragment>'.

Example:
-      base: package:test/a.dart::@Fragment::package:test/a.dart::@Class::A::@constructor::new
+      base: package:test/a.dart::<fragment>::@Class::A::@constructor::new
Change-Id: I85cc401f8b4c39eeadf295c89bab7872c80143f1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/378023
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analyzer/test/generated/strong_mode_test.dart

@@ -2011,7 +2011,7 @@ MethodInvocation
         asOperator: as
         type: NamedType
           name: num
-          element: dart:core::@fragment::dart:core::@class::num
+          element: dart:core::<fragment>::@class::num
           type: num
         parameter: ParameterMember
           base: root::@parameter::s
@@ -3373,7 +3373,7 @@ FunctionDeclaration
           extendsKeyword: extends
           bound: NamedType
             name: num
-            element: dart:core::@fragment::dart:core::@class::num
+            element: dart:core::<fragment>::@class::num
             type: num
           declaredElement: T@4
       rightBracket: >
@@ -4081,7 +4081,7 @@ MethodInvocation
     arguments
       NamedType
         name: int
-        element: dart:core::@fragment::dart:core::@class::int
+        element: dart:core::<fragment>::@class::int
         type: int
     rightBracket: >
   argumentList: ArgumentList
@@ -4152,7 +4152,7 @@ MethodInvocation
     arguments
       NamedType
         name: int
-        element: dart:core::@fragment::dart:core::@class::int
+        element: dart:core::<fragment>::@class::int
         type: int
     rightBracket: >
   argumentList: ArgumentList

pkg/analyzer/test/src/dart/analysis/driver_test.dart

@@ -857,7 +857,7 @@ var B = 0;
     flags: exists isLibrary
     selectedNode: SimpleIdentifier
       token: B
-      staticElement: package:test/b.dart::@fragment::package:test/b.dart::@getter::B
+      staticElement: package:test/b.dart::<fragment>::@getter::B
       staticType: int
 [status] idle
 ''');
@@ -883,7 +883,7 @@ var B = 1.2;
     flags: exists isLibrary
     selectedNode: SimpleIdentifier
       token: B
-      staticElement: package:test/b.dart::@fragment::package:test/b.dart::@getter::B
+      staticElement: package:test/b.dart::<fragment>::@getter::B
       staticType: double
 [status] idle
 ''');
@@ -3802,8 +3802,8 @@ void bar() {}
   flags: isLibrary
   enclosing: package:test/a.dart
   selectedElements
-    package:test/a.dart::@fragment::package:test/a.dart::@function::foo
-    package:test/a.dart::@fragment::package:test/a.dart::@function::bar
+    package:test/a.dart::<fragment>::@function::foo
+    package:test/a.dart::<fragment>::@function::bar
 [status] idle
 ''');
   }

pkg/analyzer/test/src/dart/element/inheritance_manager3_test.dart

@@ -1461,13 +1461,13 @@ augment abstract class C implements B {}
     assertInterfaceText(element, r'''
 overridden
   foo
-    package:test/a.dart::@fragment::package:test/a.dart::@mixin::A::@method::foo
-    package:test/a.dart::@fragment::package:test/a.dart::@class::B::@method::foo
+    package:test/a.dart::<fragment>::@mixin::A::@method::foo
+    package:test/a.dart::<fragment>::@class::B::@method::foo
 superImplemented
 conflicts
   CandidatesConflict
-    package:test/a.dart::@fragment::package:test/a.dart::@mixin::A::@method::foo
-    package:test/a.dart::@fragment::package:test/a.dart::@class::B::@method::foo
+    package:test/a.dart::<fragment>::@mixin::A::@method::foo
+    package:test/a.dart::<fragment>::@class::B::@method::foo
 ''');
   }
 

pkg/analyzer/test/src/dart/resolution/as_expression_test.dart

@@ -34,7 +34,7 @@ AsExpression
   asOperator: as
   type: NamedType
     name: int
-    element: dart:core::@fragment::dart:core::@class::int
+    element: dart:core::<fragment>::@class::int
     type: int
   staticType: int
 ''');
@@ -58,7 +58,7 @@ AsExpression
   asOperator: as
   type: NamedType
     name: int
-    element: dart:core::@fragment::dart:core::@class::int
+    element: dart:core::<fragment>::@class::int
     type: int
   staticType: int
 ''');
@@ -126,7 +126,7 @@ AsExpression
   asOperator: as
   type: NamedType
     name: double
-    element: dart:core::@fragment::dart:core::@class::double
+    element: dart:core::<fragment>::@class::double
     type: double
   staticType: double
 ''');