Get rid of ast node ids.

runtime/vm/object_test.cc

Index: runtime/vm/object_test.cc
===================================================================
--- runtime/vm/object_test.cc	(revision 10265)
+++ runtime/vm/object_test.cc	(working copy)
@@ -2536,11 +2536,11 @@
   EXPECT_EQ(kNumEntries, pc_descs.Length());
   EXPECT_EQ(1, pc_descs.TryIndex(0));
   EXPECT_EQ(static_cast<uword>(10), pc_descs.PC(0));
-  EXPECT_EQ(1, pc_descs.NodeId(0));
-  EXPECT_EQ(20, pc_descs.TokenIndex(0));
+  EXPECT_EQ(1, pc_descs.DeoptId(0));
+  EXPECT_EQ(20, pc_descs.TokenPos(0));
   EXPECT_EQ(3, pc_descs.TryIndex(5));
   EXPECT_EQ(static_cast<uword>(80), pc_descs.PC(5));
-  EXPECT_EQ(150, pc_descs.TokenIndex(5));
+  EXPECT_EQ(150, pc_descs.TokenPos(5));
   EXPECT_EQ(PcDescriptors::kOther, pc_descs.DescriptorKind(0));
   EXPECT_EQ(PcDescriptors::kDeopt, pc_descs.DescriptorKind(1));
 }