Move smart deploy to tristate.

BUG=

Review URL: https://codereview.chromium.org/1149383006

Cr-Commit-Position: refs/heads/master@{#333058}
VirtualKeyboardController::~VirtualKeyboardController() {
  Shell::GetInstance()->RemoveShellObserver(this);
  ui::DeviceDataManager::GetInstance()->RemoveObserver(this);
}

VirtualKeyboardController::~VirtualKeyboardController() {
  Shell::GetInstance()->RemoveShellObserver(this);
  ui::DeviceDataManager::GetInstance()->RemoveObserver(this);
}
