Rename BadNumberFormatException -> FormatException.

lib/compiler/implementation/tree/nodes.dart

Index: lib/compiler/implementation/tree/nodes.dart
diff --git a/lib/compiler/implementation/tree/nodes.dart b/lib/compiler/implementation/tree/nodes.dart
index 1e356539a9434db3c0ed19a13c0affec3fb8bd34..5e68262adfa0c657bc2c623fdc801a7796ff6cdc 100644
--- a/lib/compiler/implementation/tree/nodes.dart
+++ b/lib/compiler/implementation/tree/nodes.dart
@@ -662,7 +662,7 @@ class LiteralInt extends Literal<int> {
       Token valueToken = token;
       if (valueToken.kind === PLUS_TOKEN) valueToken = valueToken.next;
       return Math.parseInt(valueToken.value.slowToString());
-    } catch (BadNumberFormatException ex) {
+    } catch (FormatException ex) {
       (this.handler)(token, ex);
     }
   }
@@ -681,7 +681,7 @@ class LiteralDouble extends Literal<double> {
       Token valueToken = token;
       if (valueToken.kind === PLUS_TOKEN) valueToken = valueToken.next;
       return Math.parseDouble(valueToken.value.slowToString());
-    } catch (BadNumberFormatException ex) {
+    } catch (FormatException ex) {
       (this.handler)(token, ex);
     }
   }