Pay some naming debt.

pkg/front_end/lib/src/fasta/outline.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library fasta.outline;
 
 import 'dart:async' show
     Future;
 
 import 'dart:io' show
     exitCode;
 
 import 'package:kernel/verifier.dart' show
     verifyProgram;
 
 import 'compiler_command_line.dart' show
     CompilerCommandLine;
 
 import 'errors.dart' show
     InputError,
     inputError;
 
 import 'kernel/kernel_target.dart' show
-    KernelSourceTarget;
+    KernelTarget;
 
 import 'dill/dill_target.dart' show
     DillTarget;
 
 import 'ticker.dart' show
     Ticker;
 
 import 'translate_uri.dart' show
     TranslateUri;
 
 import 'ast_kind.dart' show
     AstKind;
 
 // TODO(ahe): Remove this import. Instead make the SDK available as resource in
 // the executable, or something similar.
 import 'testing/kernel_chain.dart' show
     computePatchedSdk;
 
 CompilerCommandLine parseArguments(String programName, List<String> arguments) {
   return new CompilerCommandLine(programName, arguments);
 }
 
-Future<KernelSourceTarget> outline(List<String> arguments) async {
+Future<KernelTarget> outline(List<String> arguments) async {
   try {
     CompilerCommandLine cl = parseArguments("outline", arguments);
     if (cl.verbose) print("Building outlines for ${arguments.join(' ')}");
     return await doOutline(cl, new Ticker(isVerbose: cl.verbose), cl.output);
   } on InputError catch (e) {
     exitCode = 1;
     print(e.format());
     return null;
   }
 }
@@ skipping 19 matching lines @@
     if (cl.verbose) print("Compiling via analyzer: ${arguments.join(' ')}");
     return await doCompile(
         cl, new Ticker(isVerbose: cl.verbose), AstKind.Analyzer);
   } on InputError catch (e) {
     exitCode = 1;
     print(e.format());
     return null;
   }
 }
 
-Future<KernelSourceTarget> doOutline(CompilerCommandLine cl, Ticker ticker,
+Future<KernelTarget> doOutline(CompilerCommandLine cl, Ticker ticker,
     [Uri output]) async {
   Uri sdk = await computePatchedSdk();
   ticker.logMs("Found patched SDK");
   TranslateUri uriTranslator = await TranslateUri.parse(sdk);
   ticker.logMs("Read packages file");
   DillTarget dillTarget = new DillTarget(ticker, uriTranslator);
-  KernelSourceTarget sourceTarget =
-      new KernelSourceTarget(dillTarget, uriTranslator);
+  KernelTarget kernelTarget = new KernelTarget(dillTarget, uriTranslator);
   Uri platform = cl.platform;
   if (platform != null) {
     dillTarget.read(platform);
   }
   String argument = cl.arguments.first;
   Uri uri = Uri.base.resolve(argument);
   String path = uriTranslator.translate(uri)?.path ?? argument;
   if (path.endsWith(".dart")) {
-    sourceTarget.read(uri);
+    kernelTarget.read(uri);
   } else {
     inputError(uri, -1, "Unexpected input: $uri");
   }
   await dillTarget.writeOutline(null);
-  await sourceTarget.writeOutline(output);
+  await kernelTarget.writeOutline(output);
   if (cl.dumpIr && output != null) {
-    sourceTarget.dumpIr();
+    kernelTarget.dumpIr();
   }
-  return sourceTarget;
+  return kernelTarget;
 }
 
 Future<Uri> doCompile(CompilerCommandLine cl, Ticker ticker,
     AstKind kind) async {
-  KernelSourceTarget sourceTarget = await doOutline(cl, ticker);
+  KernelTarget kernelTarget = await doOutline(cl, ticker);
   if (exitCode != 0) return null;
   Uri uri = cl.output;
-  await sourceTarget.writeProgram(uri, kind);
+  await kernelTarget.writeProgram(uri, kind);
   if (cl.dumpIr) {
-    sourceTarget.dumpIr();
+    kernelTarget.dumpIr();
   }
   if (cl.verify) {
     try {
-      verifyProgram(sourceTarget.program);
+      verifyProgram(kernelTarget.program);
       ticker.logMs("Verified program");
     } catch (e, s) {
       exitCode = 1;
       print("Verification of program failed: $e");
       if (s != null && cl.verbose) {
         print(s);
       }
     }
   }
   return uri;
 }