Rollback https://codereview.chromium.org/1380223003

pkg/analysis_server/lib/src/computer/computer_hover.dart

Index: pkg/analysis_server/lib/src/computer/computer_hover.dart
diff --git a/pkg/analysis_server/lib/src/computer/computer_hover.dart b/pkg/analysis_server/lib/src/computer/computer_hover.dart
index f212d22fa0576ddb516c5109a069505bf892dfa8..c09668b73937075f70b217a00996969bfb677548 100644
--- a/pkg/analysis_server/lib/src/computer/computer_hover.dart
+++ b/pkg/analysis_server/lib/src/computer/computer_hover.dart
@@ -5,11 +5,54 @@
 library computer.hover;
 
 import 'package:analysis_server/src/protocol.dart' show HoverInformation;
-import 'package:analysis_server/src/utilities/documentation.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 
 /**
+ * Converts [str] from a Dart Doc string with slashes and stars to a plain text
+ * representation of the comment.
+ */
+String _removeDartDocDelimiters(String str) {
+  if (str == null) {
+    return null;
+  }
+  // remove /** */
+  if (str.startsWith('/**')) {
+    str = str.substring(3);
+  }
+  if (str.endsWith("*/")) {
+    str = str.substring(0, str.length - 2);
+  }
+  str = str.trim();
+  // remove leading '* '
+  List<String> lines = str.split('\n');
+  StringBuffer sb = new StringBuffer();
+  bool firstLine = true;
+  for (String line in lines) {
+    line = line.trim();
+    if (line.startsWith("*")) {
+      line = line.substring(1);
+      if (line.startsWith(" ")) {
+        line = line.substring(1);
+      }
+    } else if (line.startsWith("///")) {
+      line = line.substring(3);
+      if (line.startsWith(" ")) {
+        line = line.substring(1);
+      }
+    }
+    if (!firstLine) {
+      sb.write('\n');
+    }
+    firstLine = false;
+    sb.write(line);
+  }
+  str = sb.toString();
+  // done
+  return str;
+}
+
+/**
  * A computer for the hover at the specified offset of a Dart [CompilationUnit].
  */
 class DartUnitHoverComputer {
@@ -69,7 +112,7 @@ class DartUnitHoverComputer {
         }
         // documentation
         String dartDoc = element.computeDocumentationComment();
-        dartDoc = removeDartDocDelimiters(dartDoc);
+        dartDoc = _removeDartDocDelimiters(dartDoc);
         hover.dartdoc = dartDoc;
       }
       // parameter