🏗Multi-doc manager refactor (#25629)

* Separates multidoc-manager from the runtime

* Export installAmpdocServices

* Implements dynamic adoption of shadow mode

* Type check

* Fix type checking

* Revert dynamic adoption

* Export css dependency from multidoc-manager

* Removed dynamic asdoption of shadow mode

* Excludes inabox and video-iframe-integration from requiring Multidoc dependencies

* Type check fix

build-system/tasks/presubmit-checks.js

@@ -590,7 +590,7 @@ const forbiddenTerms = {
   'overrideVisibilityState': {
     message: 'overrideVisibilityState is a restricted API.',
     whitelist: [
-      'src/runtime.js',
+      'src/multidoc-manager.js',
       'src/service/ampdoc-impl.js',
       'src/service/viewer-impl.js',
     ],

extensions/amp-next-page/0.1/next-page-service.js

@@ -15,7 +15,7 @@
  */
 
 import {CSS} from '../../../build/amp-next-page-0.1.css';
-import {MultidocManager} from '../../../src/runtime';
+import {MultidocManager} from '../../../src/multidoc-manager';
 import {PositionObserverFidelity} from '../../../src/service/position-observer/position-observer-worker';
 import {Services} from '../../../src/services';
 import {VisibilityState} from '../../../src/visibility-state';

src/amp.js

@@ -22,7 +22,7 @@
 import './polyfills'; // eslint-disable-line sort-imports-es6-autofix/sort-imports-es6
 
 import {Services} from './services';
-import {adopt} from './runtime';
+import {adoptWithMultidocDeps} from './runtime';
 import {cssText as ampDocCss} from '../build/ampdoc.css';
 import {cssText as ampSharedCss} from '../build/ampshared.css';
 import {fontStylesheetTimeout} from './font-stylesheet-timeout';
@@ -115,7 +115,7 @@ if (shouldMainBootstrapRun) {
           maybeTrackImpression(self);
         });
         startupChunk(self.document, function adoptWindow() {
-          adopt(self);
+          adoptWithMultidocDeps(self);
         });
         startupChunk(self.document, function builtins() {
           // Builtins.