Issue 1355. Support for call(). Tweaks for element locator and rename refactoring

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
index a9a2efb27af7c0fdc7a079ed24931887e9293e5e..2f73f232c1a5e647ebd14b1846693b839a95afab 100644
--- a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
+++ b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
@@ -27,9 +27,11 @@ import com.google.dart.compiler.ast.DartResourceDirective;
 import com.google.dart.compiler.ast.DartSourceDirective;
 import com.google.dart.compiler.ast.DartStringLiteral;
 import com.google.dart.compiler.ast.DartUnaryExpression;
+import com.google.dart.compiler.ast.DartUnqualifiedInvocation;
 import com.google.dart.compiler.resolver.Element;
 import com.google.dart.compiler.resolver.ElementKind;
 import com.google.dart.compiler.resolver.LibraryElement;
+import com.google.dart.compiler.resolver.NodeElement;
 import com.google.dart.compiler.resolver.VariableElement;
 import com.google.dart.tools.core.DartCore;
 import com.google.dart.tools.core.internal.util.SourceRangeUtils;
@@ -432,6 +434,25 @@ public class DartElementLocator extends ASTVisitor<Void> {
     return null;
   }
 
+  @Override
+  public Void visitUnqualifiedInvocation(DartUnqualifiedInvocation node) {
+    super.visitUnqualifiedInvocation(node);
+    if (foundElement == null) {
+      int start = node.getSourceInfo().getOffset();
+      int length = node.getSourceInfo().getLength();
+      int end = start + length;
+      if (start <= startOffset && endOffset <= end) {
+        wordRegion = new Region(start, length);
+        NodeElement invocationElement = node.getElement();
+        if (invocationElement != null && node.getTarget() != null
+            && node.getTarget().getElement() != invocationElement) {
+          findElementFor(invocationElement);
+        }
+      }
+    }
+    return null;
+  }
+
   /**
    * Compute a region that represents the portion of the string literal between the opening and
    * closing quotes.