Use flutter gcp project for linux tasks.

Bug: flutter/flutter#77624

Author: godofredoc

.cirrus.yml

@@ -1,7 +1,8 @@
+gcp_credentials: ENCRYPTED[ec898795b6f1b54f9cc2ab4104909f1053651f65fcab96397cfdc33dae6df5fd0fa972e29ba19f4f95125de844ab1641]
+
 # Don't run on release tags since it creates O(n^2) tasks where n is the
 # number of plugins
 only_if: $CIRRUS_TAG == ''
-use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true' && $CIRRUS_PR == ''
 env:
   INTEGRATION_TEST_PATH: "./packages/integration_test"
   CHANNEL: "master" # Default to master when not explicitly set by a task.
@@ -32,8 +33,13 @@ macos_template: &MACOS_TEMPLATE
 # concurrency limits.
 task:
   << : *FLUTTER_UPGRADE_TEMPLATE
-  container:
+  gke_container:
     dockerfile: .ci/Dockerfile
+    builder_image_name: docker-builder # gce vm image
+    builder_image_project: flutter-cirrus
+    cluster_name: build-32-cluster
+    zone: us-central1-a
+    namespace: default
   matrix:
     ### Platform-agnostic tasks ###
     - name: plugin_tools_tests
@@ -110,6 +116,37 @@ task:
       build_script:
         - flutter config --enable-linux-desktop
         - ./script/incremental_build.sh build-examples --linux
+        - xvfb-run ./script/incremental_build.sh drive-examples --linux
+
+# Legacy Dockerfile configuration for web integration tests.
+# https://github.com/flutter/web_installers doesn't yet support the current
+# stable version of Chrome, so newly-generated Docker images don't work.
+# TODO: Merge this task into the "Web tasks" section of the "Light-workload
+# tasks" block above once web_installers has been updated to support Chrome 89
+# (which is what the current image generated from .ci/Dockerfile has).
+task:
+  << : *FLUTTER_UPGRADE_TEMPLATE
+  gke_container:
+    dockerfile: .ci/Dockerfile-LegacyChrome
+    builder_image_name: docker-builder # gce vm image
+    builder_image_project: flutter-cirrus
+    cluster_name: build-32-cluster
+    zone: us-central1-a
+    namespace: default
+  matrix:
+    - name: integration_web_smoke_test
+      env:
+        matrix:
+          CHANNEL: "master"
+          CHANNEL: "stable"
+      # Tests integration example test in web.
+      only_if: "changesInclude('.cirrus.yml', 'packages/integration_test/**') || $CIRRUS_PR == ''"
+      install_script:
+        - git clone https://github.com/flutter/web_installers.git
+        - cd web_installers/packages/web_drivers/
+        - pub get
+        - dart lib/web_driver_installer.dart chromedriver --install-only
+        - ./chromedriver/chromedriver --port=4444 &
       test_script:
         - xvfb-run ./script/incremental_build.sh drive-examples --linux
 
@@ -118,8 +155,13 @@ task:
 # for non-credit runs.
 task:
   << : *FLUTTER_UPGRADE_TEMPLATE
-  container:
+  gke_container:
     dockerfile: .ci/Dockerfile
+    builder_image_name: docker-builder # gce vm image
+    builder_image_project: flutter-cirrus
+    cluster_name: build-32-cluster
+    zone: us-central1-a
+    namespace: default
     cpu: 4
     memory: 12G
   matrix: