Enable gitpod feature flag by default

Also removes `feature_conditional?` method which
wasn't used.

changelogs/unreleased/258206-enable-gitpod-flag-by-default.yml

+---
+title: Enable Gitpod button on file tree view
+merge_request: 43961
+author:
+type: added

config/feature_flags/development/gitpod.yml

 ---
 name: gitpod
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/37985
-rollout_issue_url:
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/258206
 group: group::editor
 type: development
-default_enabled: false
\ No newline at end of file
+default_enabled: true

doc/integration/gitpod.md

@@ -8,7 +8,8 @@ info: "To determine the technical writer assigned to the Stage/Group associated
 # Gitpod Integration
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/228893) in GitLab 13.4.
-> - It's [deployed behind a feature flag](#enable-or-disable-the-gitpod-integration), disabled by default.
+> - It was [deployed behind a feature flag](#enable-or-disable-the-gitpod-integration), disabled by default.
+> - [Became enabled by default](https://gitlab.com/gitlab-org/gitlab/-/issues/258206) in GitLab 13.5.
 > - It's enabled on GitLab.com.
 > - It's recommended for production use.
 > - To use it in GitLab self-managed instances, ask a GitLab administrator to [enable it](#configure-your-gitlab-instance-with-gitpod). **(CORE ONLY)**
@@ -57,19 +58,18 @@ and get your instance up and running.
 
 ## Enable or disable the Gitpod integration **(CORE ONLY)**
 
-The Gitpod integration is under development and not ready for production use. It is deployed behind a
-feature flag that is **disabled by default**.
+The Gitpod integration is deployed behind a feature flag that is **enabled by default**.
 [GitLab administrators with access to the GitLab Rails console](../administration/feature_flags.md)
-can enable it.
+can enable or disable it.
 
-To enable it:
+To disable it:
 
 ```ruby
-Feature.enable(:gitpod)
+Feature.disable(:gitpod)
 ```
 
-To disable it:
+To enable it:
 
 ```ruby
-Feature.disable(:gitpod)
+Feature.enable(:gitpod)
 ```

lib/gitlab/gitpod.rb

@@ -3,17 +3,13 @@
 module Gitlab
   class Gitpod
     class << self
-      def feature_conditional?
-        feature.conditional?
-      end
-
       def feature_available?
         # The gitpod_bundle feature could be conditionally applied, so check if `!off?`
-        !feature.off?
+        !feature.off? || feature_enabled?
       end
 
       def feature_enabled?(actor = nil)
-        feature.enabled?(actor)
+        Feature.enabled?(:gitpod, actor, default_enabled: true)
       end
 
       def feature_and_settings_enabled?(actor = nil)

spec/lib/gitlab/gitpod_spec.rb

@@ -4,30 +4,29 @@ require 'spec_helper'
 
 RSpec.describe Gitlab::Gitpod do
   let_it_be(:user) { create(:user) }
-  let(:feature_scope) { true }
 
   before do
     stub_feature_flags(gitpod: feature_scope)
   end
 
-  describe '.feature_conditional?' do
-    subject { described_class.feature_conditional? }
-
-    context 'when feature is enabled globally' do
-      it { is_expected.to be_falsey }
-    end
+  describe '.feature_available?' do
+    subject { described_class.feature_available? }
 
-    context 'when feature is enabled only to a resource' do
-      let(:feature_scope) { user }
+    context 'when feature has not been set' do
+      let(:feature_scope) { nil }
 
       it { is_expected.to be_truthy }
     end
-  end
 
-  describe '.feature_available?' do
-    subject { described_class.feature_available? }
+    context 'when feature is disabled' do
+      let(:feature_scope) { false }
+
+      it { is_expected.to be_falsey }
+    end
 
     context 'when feature is enabled globally' do
+      let(:feature_scope) { true }
+
       it { is_expected.to be_truthy }
     end
 
@@ -43,7 +42,15 @@ RSpec.describe Gitlab::Gitpod do
 
     subject { described_class.feature_enabled?(current_user) }
 
+    context 'when feature has not been set' do
+      let(:feature_scope) { nil }
+
+      it { is_expected.to be_truthy }
+    end
+
     context 'when feature is enabled globally' do
+      let(:feature_scope) { true }
+
       it { is_expected.to be_truthy }
     end