Fenix: [Bug] Crash when use device back button

[lindongbin]

Open a tab
Use back button of device
Crash

java.lang.NoSuchMethodError: No interface method canClearSelection()Z in class Lmozilla/components/concept/engine/EngineView; or its super classes (declaration of 'mozilla.components.concept.engine.EngineView' appears in base.apk)
at mozilla.components.feature.session.SessionFeature.onBackPressed(SessionFeature.kt:4)
at mozilla.components.support.base.feature.ViewBoundFeatureWrapper.onBackPressed(ViewBoundFeatureWrapper.kt:3)
at org.mozilla.fenix.browser.BaseBrowserFragment.onBackPressed(BaseBrowserFragment.kt:3)
at org.mozilla.fenix.browser.BrowserFragment.onBackPressed(BrowserFragment.kt:1)
at org.mozilla.fenix.HomeActivity.onBackPressed(HomeActivity.kt:5)
at android.app.Activity.onKeyUp(Activity.java:3147)
at android.view.KeyEvent.dispatch(KeyEvent.java:2729)
at android.app.Activity.dispatchKeyEvent(Activity.java:3430)
at androidx.core.app.ComponentActivity.superDispatchKeyEvent(ComponentActivity.java:1)
at androidx.core.view.KeyEventDispatcher.dispatchKeyEvent(KeyEventDispatcher.java:2)
at androidx.core.app.ComponentActivity.dispatchKeyEvent(ComponentActivity.java:3)
at androidx.appcompat.app.AppCompatActivity.dispatchKeyEvent(AppCompatActivity.java:4)
at androidx.appcompat.app.AppCompatDelegateImpl$AppCompatWindowCallback.dispatchKeyEvent(AppCompatDelegateImpl.java:2)
at androidx.appcompat.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:1)
at com.android.internal.policy.DecorView.dispatchKeyEvent(DecorView.java:346)
at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:5213)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5081)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4600)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4653)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4619)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4759)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4627)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4816)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4600)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4653)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4619)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4627)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4600)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4653)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4619)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4792)
at android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:4955)
at android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:2582)
at android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:2092)
at android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:2083)
at android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:2559)
at android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:141)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:326)
at android.os.Looper.loop(Looper.java:165)
at android.app.ActivityThread.main(ActivityThread.java:6821)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)

• Android device: ?
• Fenix version: ?
  Nightly 191214 18:00 (Build #13481809)
  26.0.0, d06f59e53
  GV: 73.0a1-20191212095326

[LittleAngelwings]

Confirmed..
A log from my device:

2019-12-14-23-58-47.txt

[lindongbin]

fixed

Nightly 191215 06:01 (Build #13490610)
26.0.0, d06f59e53
GV: 73.0a1-20191212095326

[LittleAngelwings]

Verified as fixed in lasted Nightly.

Nightly 191215 06:01 (Build #13490609)
26.0.0, d06f59e53
GV: 73.0a1-20191212095326