Remove 'dumpIr' from writeProgram() and KernelTarget.

pkg/front_end/lib/src/fasta/kernel/kernel_target.dart

Index: pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
index 5a0c8310999f45432ff4977830c0c31b4c689481..6d929ed07cf6d0da5336ea7299a3c6c6e2427709 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
@@ -43,8 +43,6 @@ import 'package:kernel/ast.dart'
 
 import 'package:kernel/binary/ast_to_binary.dart' show BinaryPrinter;
 
-import 'package:kernel/text/ast_to_text.dart' show Printer;
-
 import 'package:kernel/transformations/erasure.dart' show Erasure;
 
 import 'package:kernel/transformations/continuation.dart' as transformAsync;
@@ -301,11 +299,9 @@ class KernelTarget extends TargetImplementation {
     }
   }
 
-  Future<Null> writeProgram(Uri uri,
-      {bool dumpIr: false, bool verify: false}) async {
+  Future<Null> writeProgram(Uri uri, {bool verify: false}) async {
     if (loader.first == null) return null;
     try {
-      if (dumpIr) this.dumpIr();
       if (verify) this.verify();
       await writeLinkedProgram(uri, _program, isFullProgram: true);
     } on InputError catch (e) {
@@ -718,16 +714,6 @@ class KernelTarget extends TargetImplementation {
     ticker.logMs("Transformed async methods");
   }
 
-  void dumpIr() {
-    StringBuffer sb = new StringBuffer();
-    for (Library library in loader.libraries) {

[ahe, 2017/05/22 13:40:18]

This iterates through the libraries loaded by the source loader.

-      Printer printer = new Printer(sb);
-      printer.writeLibraryFile(library);
-    }
-    print("$sb");
-    ticker.logMs("Dumped IR");
-  }
-
   void verify() {
     errors.addAll(verifyProgram(_program));
     ticker.logMs("Verified program");