Update ui/views for ephemeral Guest profiles.

Updates a few chrome/browser/ui/views/* classes for compatibility with
ephemeral Guest profiles.

This change is behind disabled |EnableEphemeralGuestProfilesOnDesktop|
flag.
Please see go/ephemeral-guest-profiles for more context.

Bug: 1125474
Change-Id: Ie4f8e4aaf1f981ba6575fe8cc38b62a009289626
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2461375
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815679}

chrome/browser/ui/toolbar/app_menu_model.cc

@@ -778,7 +778,8 @@ void AppMenuModel::Build() {
                            sub_menus_.back().get());
   }
   AddItemWithStringId(IDC_SHOW_DOWNLOADS, IDS_SHOW_DOWNLOADS);
-  if (!browser_->profile()->IsGuestSession()) {
+  if (!browser_->profile()->IsGuestSession() &&
+      !browser_->profile()->IsEphemeralGuestProfile()) {
     bookmark_sub_menu_model_ =
         std::make_unique<BookmarkSubMenuModel>(this, browser_);
     AddSubMenuWithStringId(IDC_BOOKMARKS_MENU, IDS_BOOKMARKS_MENU,
@@ -939,7 +940,8 @@ void AppMenuModel::UpdateZoomControls() {
 }
 
 bool AppMenuModel::ShouldShowNewIncognitoWindowMenuItem() {
-  if (browser_->profile()->IsGuestSession())
+  if (browser_->profile()->IsGuestSession() ||
+      browser_->profile()->IsEphemeralGuestProfile())
     return false;
 
   return IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=

chrome/browser/ui/views/frame/browser_view.cc

@@ -771,7 +771,8 @@ bool BrowserView::IsIncognito() const {
 }
 
 bool BrowserView::IsGuestSession() const {
-  return browser_->profile()->IsGuestSession();
+  return browser_->profile()->IsGuestSession() ||
+         browser_->profile()->IsEphemeralGuestProfile();
 }
 
 bool BrowserView::IsRegularOrGuestSession() const {
@@ -2252,7 +2253,7 @@ base::string16 BrowserView::GetAccessibleWindowTitleForChannelAndProfile(
   // Finally annotate with the user - add Incognito or guest if it's an
   // incognito or guest window, otherwise use the avatar name.
   ProfileManager* profile_manager = g_browser_process->profile_manager();
-  if (profile->IsGuestSession()) {
+  if (profile->IsGuestSession() || profile->IsEphemeralGuestProfile()) {
     title = l10n_util::GetStringFUTF16(IDS_ACCESSIBLE_GUEST_WINDOW_TITLE_FORMAT,
                                        title);
   } else if (profile->IsIncognitoProfile()) {

chrome/browser/ui/views/sync/dice_bubble_sync_promo_view.cc

@@ -29,7 +29,7 @@ DiceBubbleSyncPromoView::DiceBubbleSyncPromoView(
     bool signin_button_prominent,
     int text_style)
     : delegate_(delegate) {
-  DCHECK(!profile->IsGuestSession());
+  DCHECK(!profile->IsGuestSession() && !profile->IsEphemeralGuestProfile());
   AccountInfo account;
   // Signin promos can be shown in incognito, they use an empty account list.
   if (profile->IsRegularProfile())

chrome/browser/ui/views/tabs/tab_strip.cc

@@ -1269,7 +1269,7 @@ void TabStrip::AddTabAt(int model_index, TabRendererData data, bool is_active) {
 
   Profile* profile = controller()->GetProfile();
   if (profile) {
-    if (profile->IsGuestSession())
+    if (profile->IsGuestSession() || profile->IsEphemeralGuestProfile())
       base::UmaHistogramCounts100("Tab.Count.Guest", tab_count());
     else if (profile->IsIncognitoProfile())
       base::UmaHistogramCounts100("Tab.Count.Incognito", tab_count());