am 22ac16ea: Move Tab out of TabControl to its own class. So that each tab has its own WebViewClient, WebChromeClient, ErrorConsoleView, lock icon type and inLoad (matching mPageStarted) state.

Merge commit '22ac16eab0b62d24a99fc360f2ccea14837f4127' into eclair-mr2-plus-aosp

* commit '22ac16eab0b62d24a99fc360f2ccea14837f4127':
  Move Tab out of TabControl to its own class. So that