Gets rid of some warnings in the analyzer for unused code and unused imports

compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java

Index: compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java b/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
index 02755b603ae2cc5f1b072e65ac8e7800f8cca51a..5890657222553982a90e03d4eb5348f4b7093dac 100644
--- a/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
+++ b/compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java
@@ -12,7 +12,6 @@ import com.google.dart.compiler.ast.DartFunctionTypeAlias;
 import com.google.dart.compiler.ast.DartIdentifier;
 import com.google.dart.compiler.ast.DartNode;
 import com.google.dart.compiler.ast.DartParameter;
-import com.google.dart.compiler.ast.DartThisExpression;
 import com.google.dart.compiler.ast.DartTypeNode;
 import com.google.dart.compiler.ast.DartTypeParameter;
 import com.google.dart.compiler.type.DynamicType;
@@ -52,13 +51,13 @@ abstract class ResolveVisitor extends ASTVisitor<Element> {
                                                element.getParameters(), returnType);
     Elements.setType(element, type);
     for (DartParameter parameter : node.getParameters()) {
-      if (//!(parameter.getQualifier() instanceof DartThisExpression) && 
-          parameter.getModifiers().isNamed() && 
+      if (//!(parameter.getQualifier() instanceof DartThisExpression) &&
+          parameter.getModifiers().isNamed() &&
           DartIdentifier.isPrivateName(parameter.getElement().getName())) {
-        getContext().onError(parameter.getName(), 
+        getContext().onError(parameter.getName(),
             ResolverErrorCode.NAMED_PARAMETERS_CANNOT_START_WITH_UNDER);
       }
-    }                
+    }
     return element;
   }
 
@@ -115,7 +114,7 @@ abstract class ResolveVisitor extends ASTVisitor<Element> {
     recordElement(node.getName(), element);
     return recordElement(node, element);
   }
-  
+
   protected EnclosingElement getEnclosingElement() {
     return null;
   }