From c1094cf46f292796ecd25f9096a7d91744498ed8 Mon Sep 17 00:00:00 2001
From: Pawel Kozlowski <pkozlowski.opensource@gmail.com>
Date: Thu, 14 Feb 2019 16:28:31 +0100
Subject: [PATCH] refactor(ivy): remove duplicated getRootView function
 (#28732)

PR Close #28732
---
 packages/core/src/render3/component.ts       |  4 ++--
 packages/core/src/render3/discovery_utils.ts | 25 +-------------------
 2 files changed, 3 insertions(+), 26 deletions(-)

diff --git a/packages/core/src/render3/component.ts b/packages/core/src/render3/component.ts
index 12f99a30c0..d586a2640e 100644
--- a/packages/core/src/render3/component.ts
+++ b/packages/core/src/render3/component.ts
@@ -18,12 +18,12 @@ import {getComponentDef} from './definition';
 import {diPublicInInjector, getOrCreateNodeInjectorForNode} from './di';
 import {publishDefaultGlobalUtils} from './global_utils';
 import {registerPostOrderHooks, registerPreOrderHooks} from './hooks';
-import {CLEAN_PROMISE, addToViewTree, createLView, createNodeAtIndex, createTNode, createTView, getOrCreateTView, initNodeFlags, instantiateRootComponent, invokeHostBindingsInCreationMode, locateHostElement, queueComponentIndexForCheck, refreshDescendantViews} from './instructions';
+import {CLEAN_PROMISE, addToViewTree, createLView, createNodeAtIndex, createTView, getOrCreateTView, initNodeFlags, instantiateRootComponent, invokeHostBindingsInCreationMode, locateHostElement, queueComponentIndexForCheck, refreshDescendantViews} from './instructions';
 import {ComponentDef, ComponentType, RenderFlags} from './interfaces/definition';
 import {TElementNode, TNode, TNodeFlags, TNodeType} from './interfaces/node';
 import {PlayerHandler} from './interfaces/player';
 import {RElement, Renderer3, RendererFactory3, domRendererFactory3} from './interfaces/renderer';
-import {CONTEXT, FLAGS, HEADER_OFFSET, HOST, LView, LViewFlags, RootContext, RootContextFlags, TVIEW, T_HOST} from './interfaces/view';
+import {CONTEXT, FLAGS, HEADER_OFFSET, LView, LViewFlags, RootContext, RootContextFlags, TVIEW} from './interfaces/view';
 import {enterView, getPreviousOrParentTNode, leaveView, resetComponentState, setCurrentDirectiveDef} from './state';
 import {applyOnCreateInstructions, defaultScheduler, getRootView, readPatchedLView, renderStringify} from './util';
 
diff --git a/packages/core/src/render3/discovery_utils.ts b/packages/core/src/render3/discovery_utils.ts
index 31701cd30c..a24f83be4b 100644
--- a/packages/core/src/render3/discovery_utils.ts
+++ b/packages/core/src/render3/discovery_utils.ts
@@ -8,14 +8,13 @@
 
 import {Injector} from '../di/injector';
 
-import {assertDefined} from '../util/assert';
 import {discoverLocalRefs, getComponentAtNodeIndex, getDirectivesAtNodeIndex, getLContext} from './context_discovery';
 import {NodeInjector} from './di';
 import {LContext} from './interfaces/context';
 import {DirectiveDef} from './interfaces/definition';
 import {TElementNode, TNode, TNodeProviderIndexes} from './interfaces/node';
 import {CLEANUP, CONTEXT, FLAGS, HOST, LView, LViewFlags, PARENT, RootContext, TVIEW} from './interfaces/view';
-import {readElementValue, readPatchedLView, renderStringify} from './util';
+import {getRootView, readElementValue, renderStringify} from './util';
 
 
 
@@ -207,28 +206,6 @@ export function loadLContext(target: {}, throwOnNotFound: boolean = true): LCont
   return context;
 }
 
-/**
- * Retrieve the root view from any component by walking the parent `LView` until
- * reaching the root `LView`.
- *
- * @param componentOrView any component or view
- *
- */
-export function getRootView(componentOrView: LView | {}): LView {
-  let lView: LView;
-  if (Array.isArray(componentOrView)) {
-    ngDevMode && assertDefined(componentOrView, 'lView');
-    lView = componentOrView as LView;
-  } else {
-    ngDevMode && assertDefined(componentOrView, 'component');
-    lView = readPatchedLView(componentOrView) !;
-  }
-  while (lView && !(lView[FLAGS] & LViewFlags.IsRoot)) {
-    lView = lView[PARENT] !;
-  }
-  return lView;
-}
-
 /**
  * Retrieve map of local references.
  *