Move print to corelib.

lib/compiler/implementation/lib/coreimpl_patch.dart

Index: lib/compiler/implementation/lib/coreimpl_patch.dart
diff --git a/lib/compiler/implementation/lib/coreimpl_patch.dart b/lib/compiler/implementation/lib/coreimpl_patch.dart
index 3d2a235d00e9379085d02ae70a9531d94ab2b17f..33e23649c140d4222c290d0590fa4787a78579d5 100644
--- a/lib/compiler/implementation/lib/coreimpl_patch.dart
+++ b/lib/compiler/implementation/lib/coreimpl_patch.dart
@@ -4,7 +4,19 @@
 
 // Patch file for dart:core classes.
 
-// Path for Object implementation.
+// Patch for 'print' function.
+patch class PrintImplementation {
+  patch static void print(var obj) {
+    if (obj is String) {
+      Primitives.printString(obj);
+    } else {
+      Primitives.printString(obj.toString());
+    }
+  }
+}
+
+
+// Patch for Object implementation.
 // TODO(ager): Split out into object_patch.dart and allow #source
 // in patch files?
 patch class ObjectImplementation {