Better warning to function-like call of getter; Quick Fix for it

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

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickFixProcessor.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickFixProcessor.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickFixProcessor.java
index 4a8ce347a377d167a0dbb4d88418660d7c5b8201..d446d9831d30f991f4b9d83c33b6c09d606b38a8 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickFixProcessor.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/correction/QuickFixProcessor.java
@@ -13,11 +13,6 @@
  */
 package com.google.dart.tools.ui.internal.text.correction;
 
-import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.DART_METHOD_INVOCATION_FUNCTION_NAME;
-import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.DART_METHOD_INVOCATION_TARGET;
-import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.DART_VARIABLE_VALUE;
-import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.getLocationInParent;
-
 import com.google.common.base.Objects;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
@@ -92,6 +87,11 @@ import com.google.dart.tools.ui.text.dart.IInvocationContext;
 import com.google.dart.tools.ui.text.dart.IProblemLocation;
 import com.google.dart.tools.ui.text.dart.IQuickFixProcessor;
 
+import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.DART_METHOD_INVOCATION_FUNCTION_NAME;
+import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.DART_METHOD_INVOCATION_TARGET;
+import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.DART_VARIABLE_VALUE;
+import static com.google.dart.tools.core.dom.PropertyDescriptorHelper.getLocationInParent;
+
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
@@ -271,6 +271,9 @@ public class QuickFixProcessor implements IQuickFixProcessor {
             if (errorCode == TypeErrorCode.USE_INTEGER_DIVISION) {
               addFix_useEffectiveIntegerDivision(location);
             }
+            if (errorCode == TypeErrorCode.NOT_A_FUNCTION_TYPE_FIELD) {
+              addFix_removeParentheses_inGetterInvocation();
+            }
           }
         });
       }
@@ -288,7 +291,8 @@ public class QuickFixProcessor implements IQuickFixProcessor {
         || errorCode == TypeErrorCode.IS_STATIC_METHOD_IN
         || errorCode == TypeErrorCode.NO_SUCH_TYPE
         || errorCode == ResolverErrorCode.NEW_EXPRESSION_NOT_CONSTRUCTOR
-        || errorCode == TypeErrorCode.USE_INTEGER_DIVISION;
+        || errorCode == TypeErrorCode.USE_INTEGER_DIVISION
+        || errorCode == TypeErrorCode.NOT_A_FUNCTION_TYPE_FIELD;
   }
 
   private void addFix_createConstructor() {
@@ -479,6 +483,17 @@ public class QuickFixProcessor implements IQuickFixProcessor {
     }
   }
 
+  private void addFix_removeParentheses_inGetterInvocation() throws Exception {
+    if (getLocationInParent(node) == DART_METHOD_INVOCATION_FUNCTION_NAME) {
+      DartNode invocation = node.getParent();
+      addRemoveEdit(SourceRangeFactory.forEndEnd(node, invocation));
+      // add proposal
+      addUnitCorrectionProposal(
+          CorrectionMessages.QuickFixProcessor_removeParentheses_inGetterInvocation,
+          DartPluginImages.get(DartPluginImages.IMG_CORRECTION_CHANGE));
+    }
+  }
+
   private void addFix_unresolvedClass_create(IProblemLocation location) {
     if (mayBeTypeIdentifier(node)) {
       String name = ((DartIdentifier) node).getName();