Supervised users: Properly display long custodian emails in the disclaimer.

This CL allows the disclaimer label to break within words, so that long emails will appear fully, rather than being cut off/elided.

BUG=406359

Review URL: https://codereview.chromium.org/494383003

Cr-Commit-Position: refs/heads/master@{#291702}

chrome/browser/ui/views/profiles/avatar_menu_bubble_view.cc

@@ -757,6 +757,7 @@ void AvatarMenuBubbleView::InitSupervisedUserContents(
                        ui::ResourceBundle::GetSharedInstance().GetFontList(
                            ui::ResourceBundle::SmallFont));
   supervised_user_info_->SetMultiLine(true);
+  supervised_user_info_->SetAllowCharacterBreak(true);
   supervised_user_info_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   supervised_user_info_->SetBackgroundColor(color());
   AddChildView(supervised_user_info_);

chrome/browser/ui/views/profiles/profile_chooser_view.cc

@@ -1294,6 +1294,7 @@ views::View* ProfileChooserView::CreateSupervisedUserDisclaimerView() {
   views::Label* disclaimer = new views::Label(
       avatar_menu_->GetSupervisedUserInformation());
   disclaimer->SetMultiLine(true);
+  disclaimer->SetAllowCharacterBreak(true);
   disclaimer->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
   disclaimer->SetFontList(rb->GetFontList(ui::ResourceBundle::SmallFont));