root/chrome/android/shell/java/src/org/chromium/chrome/shell/

[..]
  1. ChromeShellActivity.java
  2. ChromeShellApplication.java
  3. ChromeShellApplicationObserver.java
  4. ChromeShellPKCS11AuthenticationManager.java
  5. ChromeShellSwitches.java
  6. ChromeShellTab.java
  7. ChromeShellToolbar.java
  8. TabManager.java
  9. signin/
  10. sync/
[..]