Rename Constant to ConstantValue and ConstExp to ConstantExpression.

sdk/lib/_internal/compiler/implementation/ssa/interceptor_simplifier.dart

 // Copyright (c) 2013, 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.
 
 part of ssa;
 
 /**
  * This phase simplifies interceptors in multiple ways:
  *
  * 1) If the interceptor is for an object whose type is known, it
@@ skipping 129 matching lines @@
 
     if (constantInterceptor == null) return null;
 
     // If we just happen to be in an instance method of the constant
     // interceptor, `this` is a shorter alias.
     if (constantInterceptor == work.element.enclosingClass &&
         graph.thisInstruction != null) {
       return graph.thisInstruction;
     }
 
-    Constant constant = new InterceptorConstant(constantInterceptor.thisType);
+    ConstantValue constant =
+        new InterceptorConstantValue(constantInterceptor.thisType);
     return graph.addConstant(constant, compiler);
   }
 
   HInstruction findDominator(Iterable<HInstruction> instructions) {
     HInstruction result;
     L1: for (HInstruction candidate in instructions) {
       for (HInstruction current in instructions) {
         if (current != candidate && !candidate.dominates(current)) continue L1;
       }
       result = candidate;
@@ skipping 134 matching lines @@
       instruction = new HInvokeDynamicMethod(
           selector, inputs, node.instructionType, true);
     }
 
     HBasicBlock block = node.block;
     block.addAfter(node, instruction);
     block.rewrite(node, instruction);
     return true;
   }
 }