refactor(platform-browser): remove GenericBrowserDomAdapter (angular#60760)

The `GenericBrowserDomAdapter` wasn't don't anything so we can drop it and have the `BrowserDomAdapter` extend `DomAdapter` directly.

PR Close angular#60760

Author: crisbeto

packages/core/test/bundling/animations-standalone/bundle.golden_symbols.json

@@ -80,7 +80,6 @@
   "EventManager",
   "EventManagerPlugin",
   "FALSE_BOOLEAN_VALUES",
-  "GenericBrowserDomAdapter",
   "INJECTOR",
   "INJECTOR_DEF_TYPES",
   "INJECTOR_SCOPE",

packages/core/test/bundling/cyclic_import/bundle.golden_symbols.json

@@ -56,7 +56,6 @@
   "EventEmitter",
   "EventManager",
   "EventManagerPlugin",
-  "GenericBrowserDomAdapter",
   "INJECTOR",
   "INJECTOR_DEF_TYPES",
   "INJECTOR_SCOPE",

packages/core/test/bundling/defer/bundle.golden_symbols.json

@@ -73,7 +73,6 @@
   "EventEmitter",
   "EventManager",
   "EventManagerPlugin",
-  "GenericBrowserDomAdapter",
   "HYDRATE_TRIGGER_CLEANUP_FNS",
   "INJECTOR",
   "INJECTOR_DEF_TYPES",

packages/core/test/bundling/forms_reactive/bundle.golden_symbols.json

@@ -87,7 +87,6 @@
   "FormResetEvent",
   "FormSubmittedEvent",
   "FormsExampleModule",
-  "GenericBrowserDomAdapter",
   "INJECTOR",
   "INJECTOR_DEF_TYPES",
   "INJECTOR_SCOPE",

packages/core/test/bundling/forms_template_driven/bundle.golden_symbols.json

@@ -80,7 +80,6 @@
   "FormGroup",
   "FormsExampleModule",
   "FormsModule",
-  "GenericBrowserDomAdapter",
   "INJECTOR",
   "INJECTOR_DEF_TYPES",
   "INJECTOR_SCOPE",

packages/core/test/bundling/hydration/bundle.golden_symbols.json

@@ -54,7 +54,6 @@
   "EventEmitter",
   "EventManager",
   "EventManagerPlugin",
-  "GenericBrowserDomAdapter",
   "HEADERS",
   "HTTP_ROOT_INTERCEPTOR_FNS",
   "HTTP_TRANSFER_CACHE_ORIGIN_MAP",

packages/core/test/bundling/router/bundle.golden_symbols.json

@@ -81,7 +81,6 @@
   "EventManager",
   "EventManagerPlugin",
   "EventType2",
-  "GenericBrowserDomAdapter",
   "GuardsCheckEnd",
   "GuardsCheckStart",
   "HistoryStateManager",

packages/core/test/bundling/standalone_bootstrap/bundle.golden_symbols.json

@@ -51,7 +51,6 @@
   "EventEmitter",
   "EventManager",
   "EventManagerPlugin",
-  "GenericBrowserDomAdapter",
   "INJECTOR",
   "INJECTOR_DEF_TYPES",
   "INJECTOR_SCOPE",

packages/platform-browser/src/browser/browser_adapter.ts

@@ -9,17 +9,18 @@
 import {
   ɵparseCookieValue as parseCookieValue,
   ɵsetRootDomAdapter as setRootDomAdapter,
+  ɵDomAdapter as DomAdapter,
 } from '@angular/common';
 
-import {GenericBrowserDomAdapter} from './generic_browser_adapter';
-
 /**
  * A `DomAdapter` powered by full browser DOM APIs.
  *
  * @security Tread carefully! Interacting with the DOM directly is dangerous and
  * can introduce XSS risks.
  */
-export class BrowserDomAdapter extends GenericBrowserDomAdapter {
+export class BrowserDomAdapter extends DomAdapter {
+  override readonly supportsDOMEvents: boolean = true;
+
   static makeCurrent() {
     setRootDomAdapter(new BrowserDomAdapter());
   }