Rename buildOutline() and separate 'build' and 'writeProgram()'.

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

Index: pkg/front_end/lib/src/fasta/compile_platform.dart
diff --git a/pkg/front_end/lib/src/fasta/compile_platform.dart b/pkg/front_end/lib/src/fasta/compile_platform.dart
index 55f8cadacc0c6f94a9d10ac421bdec55fac92bb9..3f99548649e58bacd4b220f4d5767c694b9cb55c 100644
--- a/pkg/front_end/lib/src/fasta/compile_platform.dart
+++ b/pkg/front_end/lib/src/fasta/compile_platform.dart
@@ -74,11 +74,12 @@ Future compilePlatformInternal(CompilerContext c, Ticker ticker, Uri patchedSdk,
       uriTranslator, c.options.strongMode, c.uriToSource);
 
   kernelTarget.read(Uri.parse("dart:core"));
-  await dillTarget.computeOutline();
-  await kernelTarget.computeOutline();
+  await dillTarget.buildOutlines();
+  await kernelTarget.buildOutlines();
   await kernelTarget.writeOutline(outlineOutput);
 
   if (exitCode != 0) return null;
+  await kernelTarget.buildProgram();
   await kernelTarget.writeProgram(fullOutput,
       dumpIr: c.options.dumpIr, verify: c.options.verify);
   await kernelTarget.writeDepsFile(fullOutput, deps);