Remove definitions from Kernel canonical names.

pkg/kernel/lib/canonical_name.dart

Index: pkg/kernel/lib/canonical_name.dart
diff --git a/pkg/kernel/lib/canonical_name.dart b/pkg/kernel/lib/canonical_name.dart
index 7bf05dc4507ccf12ad724daf9d10de4e9a5a5f29..f4d2deffb6d12a729ac3758fb1d1d2867148dec6 100644
--- a/pkg/kernel/lib/canonical_name.dart
+++ b/pkg/kernel/lib/canonical_name.dart
@@ -30,7 +30,7 @@ import 'ast.dart';
 ///         "@fields"
 ///         Qualified name
 ///
-///      Procedure that is not an accessor:
+///      Procedure that is not an accessor or factory:
 ///         Canonical name of enclosing class or library
 ///         "@methods"
 ///         Qualified name
@@ -45,6 +45,11 @@ import 'ast.dart';
 ///         "@setters"
 ///         Qualified name
 ///
+///      Procedure that is a factory:
+///         Canonical name of enclosing class
+///         "@factories"
+///         Qualified name

[Kevin Millikin (Google), 2017/03/29 11:48:51]

The VM needs to distinguish factories from other (static) methods because the
names are decorated differently.

+///
 ///      Qualified name:
 ///         if private: URI of library
 ///         Name text
@@ -136,6 +141,7 @@ class CanonicalName {
     if (member is Procedure) {
       if (member.isGetter) return '@getters';
       if (member.isSetter) return '@setters';
+      if (member.isFactory) return '@factories';
       return '@methods';
     }
     if (member is Field) {