Revert several inlining related changes.

tests/language/inline_test_context_test.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.
-// Test inlining of simple function with control flow in a test context.
-// Optimize function foo with instance of A and inlined function bar. Call later
-// with instance of B and cause deoptimization.
-
-class A {
-  var x = 1;
-}
-
-class B {
-  var x = 0;
-}
-
-bool bar(o) {
-  if (o.x > 0) {  // <-- Deoptimize from inner frame.
-    return true;
-  } else {
-    return false;
-  }
-}
-
-int foo(o) {
-  if (bar(o)) {  // <-- Used in a test context.
-    return 1;
-  } else {
-    return 0;
-  }
-}
-
-main() {
-  var o = new A();
-  int sum = 0;
-  for (int i = 0; i < 5000; i++) sum += foo(o);
-  o = new B();
-  sum += foo(o);  // <-- Cause deoptimization of bar within foo.
-  Expect.equals(5000, sum);
-}