Get rid of a lot of () for getters.

lib/compiler/implementation/ssa/nodes.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 interface HVisitor<R> {
   R visitAdd(HAdd node);
   R visitBailoutTarget(HBailoutTarget node);
   R visitBitAnd(HBitAnd node);
   R visitBitNot(HBitNot node);
   R visitBitOr(HBitOr node);
@@ skipping 2595 matching lines @@
   final HBlockInformation body;
   final HBasicBlock continuation;
   HBlockFlow(this.body, this.continuation);
 }
 
 
 /**
  * Information about a syntactic-like structure.
  */
 interface HBlockInformation {
-  HBasicBlock get start();
-  HBasicBlock get end();
+  HBasicBlock get start;
+  HBasicBlock get end;
   bool accept(HBlockInformationVisitor visitor);
 }
 
 
 /**
  * Information about a statement-like structure.
  */
 interface HStatementInformation extends HBlockInformation {
   bool accept(HStatementInformationVisitor visitor);
 }
 
 
 /**
  * Information about an expression-like structure.
  */
 interface HExpressionInformation extends HBlockInformation {
   bool accept(HExpressionInformationVisitor visitor);
-  HInstruction get conditionExpression();
+  HInstruction get conditionExpression;
 }
 
 
 interface HStatementInformationVisitor {
   bool visitLabeledBlockInfo(HLabeledBlockInformation info);
   bool visitLoopInfo(HLoopBlockInformation info);
   bool visitIfInfo(HIfBlockInformation info);
   bool visitTryInfo(HTryBlockInformation info);
   bool visitSwitchInfo(HSwitchBlockInformation info);
   bool visitSequenceInfo(HStatementSequenceInformation info);
@@ skipping 220 matching lines @@
   HBasicBlock get start => expression.start;
   HBasicBlock get end {
     // We don't create a switch block if there are no cases.
     assert(!statements.isEmpty());
     return statements.last().end;
   }
 
   bool accept(HStatementInformationVisitor visitor) =>
       visitor.visitSwitchInfo(this);
 }