Debugger incorrectly display values of the inherited public members

[DartBot]

Originally opened as https://github.com/dart-lang/sdk/issues/22422

This issue was originally filed by @mezoni

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I am about the member "i".

============ void main() {   var o = new Child();   o.foo(); }

class Base {   dynamic i;

  foo() {     print(i);   } }

class Child extends Base {   int i;

  Child() {     i = 5;   } } ============

See "Screen 1":

In "Child" instance it has value "5". In "Base" instance it also has value "5" because it inherited by "Child".

Debugger display: Child.i : 5 Base.i : null

But at the same time when we print it from "Base" then it print 5.

See "Screen 2": 5 5

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Attachment: [Screen 2](https://storage.googleapis.com/google-code-attachments/dart/issue-22422/comment-0/Screen 2) (246.89 KB)

[DartBot]

Comment by iposva-google

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Added Area-Editor, Triaged labels.

[DartBot]

Comment by clayberg

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Set owner to @devoncarew. Removed Priority-Unassigned label. Added Priority-Medium label.