Move elementAccess() from namer to emitter.

pkg/compiler/lib/src/js_emitter/code_emitter_task.dart

Index: pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
diff --git a/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart b/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
index 3cecbec34aa3cbd1edd18f7c60035530998a8aca..feb083aa9939d4033f5aaf08d52aff1db5506a37 100644
--- a/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
+++ b/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
@@ -65,6 +65,10 @@ class CodeEmitterTask extends CompilerTask {
     return emitter.constantReference(value);
   }
 
+  jsAst.Expression globalPropertyAccess(Element e) {
+    return emitter.globalPropertyAccess(e);
+  }
+
   void registerReadTypeVariable(TypeVariableElement element) {
     readTypeVariables.add(element);
   }
@@ -354,6 +358,7 @@ abstract class Emitter {
 
   jsAst.Expression generateEmbeddedGlobalAccess(String global);
   jsAst.Expression constantReference(ConstantValue value);
+  jsAst.PropertyAccess globalPropertyAccess(Element element);
 
   int compareConstants(ConstantValue a, ConstantValue b);
   bool isConstantInlinedOrAlreadyEmitted(ConstantValue constant);