Add 'Convert Method to Getter' proposal only if it is an available refactoring.

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickAssistProcessor.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickAssistProcessor.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickAssistProcessor.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickAssistProcessor.java
index 565c9b6430f7cdcb9d917b0a608b9452dc4a32d0..578219b15a737c760e8ec6e84a3fd1672a15ae0f 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickAssistProcessor.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickAssistProcessor.java
@@ -22,6 +22,8 @@ import com.google.dart.engine.services.correction.CorrectionProcessors;
 import com.google.dart.engine.services.correction.CorrectionProposal;
 import com.google.dart.engine.source.Source;
 import com.google.dart.server.GetAssistsConsumer;
+import com.google.dart.server.GetAvailableRefactoringsConsumer;
+import com.google.dart.server.generated.types.RefactoringKind;
 import com.google.dart.server.generated.types.RequestError;
 import com.google.dart.server.generated.types.SourceChange;
 import com.google.dart.tools.core.DartCore;
@@ -106,7 +108,6 @@ public class QuickAssistProcessor {
     if (DartCoreDebug.ENABLE_ANALYSIS_SERVER) {
       // add refactoring proposals
       addProposal_convertGetterToMethodRefactoring();
-      addProposal_convertMethodToGetterRefactoring();
       // TODO(scheglov) add other proposals
 //      addProposal_renameRefactoring();
       addProposal_format();
@@ -116,7 +117,7 @@ public class QuickAssistProcessor {
         @Override
         public void run() throws Exception {
           final List<SourceChange> changes = Lists.newArrayList();
-          final CountDownLatch latch = new CountDownLatch(1);
+          final CountDownLatch latch = new CountDownLatch(2);
           String file = context.getFile();
           DartCore.getAnalysisServer().edit_getAssists(
               file,
@@ -134,6 +135,24 @@ public class QuickAssistProcessor {
                   latch.countDown();
                 }
               });
+          DartCore.getAnalysisServer().edit_getAvailableRefactorings(
+              file,
+              selection.getOffset(),
+              selection.getLength(),
+              new GetAvailableRefactoringsConsumer() {
+                @Override
+                public void computedRefactoringKinds(List<String> refactoringKinds) {
+                  if (refactoringKinds.contains(RefactoringKind.CONVERT_METHOD_TO_GETTER)) {
+                    addProposal_convertMethodToGetterRefactoring();
+                  }
+                  latch.countDown();
+                }
+
+                @Override
+                public void onError(RequestError requestError) {
+                  latch.countDown();
+                }
+              });
           Uninterruptibles.awaitUninterruptibly(latch, 2000, TimeUnit.MILLISECONDS);
           addServerProposals(proposals, changes);
         }