Start using release builds of GeckoView.

app/build.gradle

@@ -171,6 +171,10 @@ android {
             setIgnore true
         }
 
+        if (flavors.contains("geckoproduction") && buildType.name != 'fennecProduction') {
+            setIgnore true
+        }
+
         if ((buildType.name == 'fennecProduction' || buildType.name == 'fennecBeta') && flavors.contains("geckonightly")) {
             setIgnore true
         }
@@ -228,6 +232,10 @@ android {
         geckoBeta {
             dimension "engine"
         }
+
+        geckoProduction {
+            dimension "engine"
+        }
     }
 
     splits {
@@ -436,6 +444,7 @@ apply plugin: "org.mozilla.telemetry.glean-gradle-plugin"
 dependencies {
     geckoNightlyImplementation Deps.mozilla_browser_engine_gecko_nightly
     geckoBetaImplementation Deps.mozilla_browser_engine_gecko_beta
+    geckoProductionImplementation Deps.mozilla_browser_engine_gecko_release
 
     implementation Deps.kotlin_stdlib
     implementation Deps.kotlin_coroutines

app/src/geckoProduction/java/org/mozilla/fenix/engine/GeckoProvider.kt

@@ -0,0 +1,68 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import android.content.Context
+import android.os.Bundle
+import mozilla.components.browser.engine.gecko.autofill.GeckoLoginDelegateWrapper
+import mozilla.components.browser.engine.gecko.glean.GeckoAdapter
+import mozilla.components.concept.storage.LoginsStorage
+import mozilla.components.lib.crash.handler.CrashHandlerService
+import mozilla.components.service.sync.logins.GeckoLoginStorageDelegate
+import org.mozilla.fenix.Config
+import org.mozilla.fenix.ext.settings
+import org.mozilla.fenix.utils.Settings
+import org.mozilla.geckoview.GeckoRuntime
+import org.mozilla.geckoview.GeckoRuntimeSettings
+
+object GeckoProvider {
+    var testConfig: Bundle? = null
+    private var runtime: GeckoRuntime? = null
+
+    @Synchronized
+    fun getOrCreateRuntime(
+        context: Context,
+        storage: Lazy<LoginsStorage>
+    ): GeckoRuntime {
+        if (runtime == null) {
+            runtime = createRuntime(context, storage)
+        }
+
+        return runtime!!
+    }
+
+    private fun createRuntime(
+        context: Context,
+        storage: Lazy<LoginsStorage>
+    ): GeckoRuntime {
+        val builder = GeckoRuntimeSettings.Builder()
+
+        testConfig?.let {
+            builder.extras(it)
+                .remoteDebuggingEnabled(true)
+        }
+
+        val runtimeSettings = builder
+            .crashHandler(CrashHandlerService::class.java)
+            .telemetryDelegate(GeckoAdapter())
+            .aboutConfigEnabled(Config.channel.isBeta)
+            .debugLogging(Config.channel.isDebug)
+            .build()
+
+        if (!Settings.getInstance(context).shouldUseAutoSize) {
+            runtimeSettings.automaticFontSizeAdjustment = false
+            val fontSize = Settings.getInstance(context).fontSizeFactor
+            runtimeSettings.fontSizeFactor = fontSize
+        }
+
+        val geckoRuntime = GeckoRuntime.create(context, runtimeSettings)
+        // As a quick fix for #8967 we are conflating "should autofill" with "should save logins"
+        val loginStorageDelegate = GeckoLoginStorageDelegate(
+            storage,
+            { context.settings().shouldPromptToSaveLogins }
+        )
+        geckoRuntime.loginStorageDelegate = GeckoLoginDelegateWrapper(loginStorageDelegate)
+
+        return geckoRuntime
+    }
+}

taskcluster/ci/build/kind.yml

@@ -172,7 +172,7 @@ jobs:
         include-shippable-secrets: true
         filter-incomplete-translations: true
         run:
-            geckoview-engine: geckoBeta
+            geckoview-engine: geckoProduction
             gradle-build-type: fennecProduction
         treeherder:
             symbol: productionFennec(B)