[fenix] No issue: Remove black flash workaround

app/src/main/java/org/mozilla/fenix/browser/BaseBrowserFragment.kt

@@ -6,6 +6,8 @@ package org.mozilla.fenix.browser
 
 import android.content.Intent
 import android.content.pm.ActivityInfo
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -13,13 +15,11 @@ import android.view.ViewGroup
 import androidx.annotation.CallSuper
 import androidx.appcompat.app.AppCompatActivity
 import androidx.coordinatorlayout.widget.CoordinatorLayout
-import androidx.core.graphics.drawable.toDrawable
 import androidx.core.net.toUri
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
-import androidx.lifecycle.whenStarted
 import androidx.navigation.NavDirections
 import androidx.navigation.fragment.findNavController
 import com.google.android.material.snackbar.Snackbar
@@ -402,17 +402,11 @@ abstract class BaseBrowserFragment : Fragment(), BackHandler, SessionManager.Obs
 
     private fun adjustBackgroundAndNavigate(directions: NavDirections) {
         context?.let {
-            engineView.captureThumbnail { bitmap ->
+            swipeRefresh?.background = ColorDrawable(Color.TRANSPARENT)
-                lifecycleScope.launch {
-                    whenStarted {
-                        swipeRefresh?.background = bitmap?.toDrawable(it.resources)
             engineView?.asView()?.visibility = View.GONE
             findNavController().nav(R.id.browserFragment, directions)
         }
     }
-            }
-        }
-    }
 
     @CallSuper
     override fun onSessionSelected(session: Session) {

app/src/main/java/org/mozilla/fenix/components/toolbar/BrowserToolbarController.kt

@@ -6,10 +6,11 @@ package org.mozilla.fenix.components.toolbar
 
 import android.app.Activity
 import android.content.Intent
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
 import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.VisibleForTesting
-import androidx.core.graphics.drawable.toDrawable
 import androidx.core.widget.NestedScrollView
 import androidx.lifecycle.LifecycleCoroutineScope
 import androidx.navigation.NavController
@@ -217,9 +218,7 @@ class DefaultBrowserToolbarController(
             browserLayout,
             "${TAB_ITEM_TRANSITION_NAME}${currentSession?.id}"
         ).build()
-        engineView.captureThumbnail { bitmap ->
+        swipeRefresh.background = ColorDrawable(Color.TRANSPARENT)
-            scope.launch {
-                swipeRefresh.background = bitmap?.toDrawable(activity.resources)
         engineView.asView().visibility = View.GONE
         if (!navController.popBackStack(R.id.homeFragment, false)) {
             navController.nav(
@@ -231,8 +230,6 @@ class DefaultBrowserToolbarController(
             )
         }
     }
-        }
-    }
 
     @SuppressWarnings("ComplexMethod")
     private fun trackToolbarItemInteraction(item: ToolbarMenu.Item) {