Remove most superfluous getter arguments from dart2js.

dart/lib/compiler/implementation/ssa/optimize.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 OptimizationPhase {
   String get name();
   void visitGraph(HGraph graph);
 }
 
 class SsaOptimizerTask extends CompilerTask {
   final JavaScriptBackend backend;
   SsaOptimizerTask(JavaScriptBackend backend)
     : this.backend = backend,
       super(backend.compiler);
-  String get name() => 'SSA optimizer';
-  Compiler get compiler() => backend.compiler;
+  String get name => 'SSA optimizer';
+  Compiler get compiler => backend.compiler;
 
   void runPhases(HGraph graph, List<OptimizationPhase> phases) {
     for (OptimizationPhase phase in phases) {
       runPhase(graph, phase);
     }
   }
 
   void runPhase(HGraph graph, OptimizationPhase phase) {
     phase.visitGraph(graph);
     compiler.tracer.traceGraph(phase.name, graph);
@@ skipping 74 matching lines @@
 /**
  * If both inputs to known operations are available execute the operation at
  * compile-time.
  */
 class SsaConstantFolder extends HBaseVisitor implements OptimizationPhase {
   final String name = "SsaConstantFolder";
   final JavaScriptBackend backend;
   final WorkItem work;
   final HTypeMap types;
   HGraph graph;
-  Compiler get compiler() => backend.compiler;
+  Compiler get compiler => backend.compiler;
 
   SsaConstantFolder(this.backend, this.work, this.types);
 
   void visitGraph(HGraph visitee) {
     graph = visitee;
     visitDominatorTree(visitee);
   }
 
   visitBasicBlock(HBasicBlock block) {
     HInstruction instruction = block.first;
@@ skipping 1059 matching lines @@
   }
 }
 
 
 // Base class for the handling of recompilation based on inferred
 // field types.
 class BaseRecompilationVisitor extends HBaseVisitor {
   final JavaScriptBackend backend;
   final WorkItem work;
   final HTypeMap types;
-  Compiler get compiler() => backend.compiler;
+  Compiler get compiler => backend.compiler;
 
   BaseRecompilationVisitor(this.backend, this.work, this.types);
 
   abstract void handleFieldGet(HFieldGet node, HType type);
   abstract void handleFieldNumberOperation(HFieldGet field, HType type);
 
   // Checks if the binary invocation operates on a field and a
   // constant number. If it does [handleFieldNumberOperation] is
   // called with the field and the type inferred for the field so far.
   void checkFieldNumberOperation(HInvokeBinary node) {
@@ skipping 129 matching lines @@
       // this type for the field is still a strong signal
       // indicating the expected type of the field.
       types[field] = type;
     } else {
       // If there are no invoked setters we know the type of
       // this field for sure.
       field.guaranteedType = type;
     }
   }
 }