[OriginChip] Add animations for the hiding and showing of the chip.

chrome/browser/ui/omnibox/omnibox_view.cc

Index: chrome/browser/ui/omnibox/omnibox_view.cc
diff --git a/chrome/browser/ui/omnibox/omnibox_view.cc b/chrome/browser/ui/omnibox/omnibox_view.cc
index d5c6847dd5b37d38d12cbf46123cdebb7c2f7db1..8779f00b0493cbfd19fe4292cdd081ccbda75cc6 100644
--- a/chrome/browser/ui/omnibox/omnibox_view.cc
+++ b/chrome/browser/ui/omnibox/omnibox_view.cc
@@ -93,23 +93,14 @@ void OmniboxView::HandleOriginChipMouseRelease() {
   if ((chrome::GetOriginChipV2HideTrigger() ==
        chrome::ORIGIN_CHIP_V2_HIDE_ON_MOUSE_RELEASE) &&
       controller()->GetToolbarModel()->GetText().empty()) {
-    controller()->GetToolbarModel()->set_origin_chip_enabled(false);
-    controller()->OnChanged();
+    controller()->HideOriginChip();
   }
 }
 
 void OmniboxView::OnDidKillFocus() {
-  // If user input is not in progress, re-enable the origin chip and URL
-  // replacement.  This addresses the case where the URL was shown by a call
-  // to ShowURL().  If the Omnibox achieved focus by other means, the calls to
-  // set_url_replacement_enabled, UpdatePermanentText and RevertAll are not
-  // required (a call to OnChanged would be sufficient) but do no harm.
   if (chrome::ShouldDisplayOriginChipV2() &&
       !model()->user_input_in_progress()) {
-    controller()->GetToolbarModel()->set_origin_chip_enabled(true);
-    controller()->GetToolbarModel()->set_url_replacement_enabled(true);
-    model()->UpdatePermanentText();
-    RevertAll();
+    controller()->ShowOriginChip();
   }
 }
 
@@ -178,6 +169,13 @@ void OmniboxView::ShowURL() {
   SelectAll(true);
 }
 
+void OmniboxView::HideURL() {
+  controller_->GetToolbarModel()->set_origin_chip_enabled(true);
+  controller_->GetToolbarModel()->set_url_replacement_enabled(true);
+  model_->UpdatePermanentText();
+  RevertWithoutResettingSearchTermReplacement();
+}
+
 void OmniboxView::RevertAll() {
   controller_->GetToolbarModel()->set_url_replacement_enabled(true);
   RevertWithoutResettingSearchTermReplacement();