Move issue-related non-presentation classes to models/issues_manager

The issues_manager has two classes (IssuesManager, ContrastCheckTrigger)
that need to be instantiated early because they listen to events and
we need to make sure non are missed. These two classes are instantiated
in issues_manager.ts.

Bug: chromium:1192078
Change-Id: Iba7fce8b4bb52c6cef39f497f1a0101410e98044
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2817810
Commit-Queue: Sigurd Schneider <[email protected]>
Reviewed-by: Tim van der Lippe <[email protected]>
diff --git a/front_end/panels/network/NetworkLogView.ts b/front_end/panels/network/NetworkLogView.ts
index 4f2a5eb..3e83022 100644
--- a/front_end/panels/network/NetworkLogView.ts
+++ b/front_end/panels/network/NetworkLogView.ts
@@ -34,7 +34,6 @@
 
 /* eslint-disable rulesdir/no_underscored_properties */
 
-import * as BrowserSDK from '../../browser_sdk/browser_sdk.js';
 import * as Components from '../../components/components.js';
 import * as Common from '../../core/common/common.js';
 import * as Host from '../../core/host/host.js';
@@ -44,6 +43,7 @@
 import * as DataGrid from '../../data_grid/data_grid.js';
 import * as HARImporter from '../../har_importer/har_importer.js';
 import * as Bindings from '../../models/bindings/bindings.js';
+import * as IssuesManager from '../../models/issues_manager/issues_manager.js';
 import * as TextUtils from '../../models/text_utils/text_utils.js';
 import * as PerfUI from '../../perf_ui/perf_ui.js';
 import * as ThemeSupport from '../../theme_support/theme_support.js';
@@ -1639,7 +1639,7 @@
       return false;
     }
     if (this._onlyIssuesFilterUI.checked() &&
-        !BrowserSDK.RelatedIssue.hasIssueOfCategory(request, SDK.Issue.IssueCategory.SameSiteCookie)) {
+        !IssuesManager.RelatedIssue.hasIssueOfCategory(request, SDK.Issue.IssueCategory.SameSiteCookie)) {
       return false;
     }
     if (this._onlyBlockedRequestsUI.checked() && !request.wasBlocked() && !request.corsErrorStatus()) {