Add type inference for break and continue statements.

pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart

Index: pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart
diff --git a/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart b/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart
index c8b3f3588f7f6ca56d900c835350a46c6aac5448..cd2e22a1342046900e4560c08bc79b939f8301bd 100644
--- a/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart
+++ b/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart
@@ -109,6 +109,12 @@ class TypeInferenceListener
   void boolLiteralExit(BoolLiteral expression, DartType inferredType) =>
       debugExpressionExit("boolLiteral", expression, inferredType);
 
+  void breakStatementEnter(BreakStatement statement) =>
+      debugStatementEnter('breakStatement', statement);
+
+  void breakStatementExit(BreakStatement statement) =>
+      debugStatementExit('breakStatement', statement);
+
   bool cascadeExpressionEnter(Let expression, DartType typeContext) =>
       debugExpressionEnter("cascade", expression, typeContext);
 
@@ -131,6 +137,12 @@ class TypeInferenceListener
           InvocationExpression expression, DartType inferredType) =>
       debugExpressionExit("constructorInvocation", expression, inferredType);
 
+  void continueSwitchStatementEnter(ContinueSwitchStatement statement) =>
+      debugStatementEnter('continueSwitchStatement', statement);
+
+  void continueSwitchStatementExit(ContinueSwitchStatement statement) =>
+      debugStatementExit('continueSwitchStatement', statement);
+
   void doStatementEnter(DoStatement statement) =>
       debugStatementEnter("doStatement", statement);