Isse 25404. When remove a method during inlining, remove also leading empty lines.

pkg/analysis_server/lib/src/services/correction/strings.dart

Index: pkg/analysis_server/lib/src/services/correction/strings.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/strings.dart b/pkg/analysis_server/lib/src/services/correction/strings.dart
index 1689c7c5727e95c537ada39923431340529f342e..4a0ff769a967ab8224fae5df9343d48600153f0e 100644
--- a/pkg/analysis_server/lib/src/services/correction/strings.dart
+++ b/pkg/analysis_server/lib/src/services/correction/strings.dart
@@ -201,6 +201,10 @@ bool isEmpty(String str) {
   return str == null || str.isEmpty;
 }
 
+bool isEOL(int c) {
+  return c == 0x0D || c == 0x0A;
+}
+
 bool isLetter(int c) {
   return (c >= 0x41 && c <= 0x5A) || (c >= 0x61 && c <= 0x7A);
 }
@@ -220,7 +224,7 @@ bool isUpperCase(int c) {
 }
 
 bool isWhitespace(int c) {
-  return isSpace(c) || c == 0x0D || c == 0x0A;
+  return isSpace(c) || isEOL(c);
 }
 
 String remove(String str, String remove) {