[profile-menu] Make heading background rectangular

Bug: 995720
Change-Id: I8a430194bd97efc6de3bdd0586aa591e46310611
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1863931
Auto-Submit: Thomas Tangl <tangltom@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: Thomas Tangl <tangltom@chromium.org>
Cr-Commit-Position: refs/heads/master@{#706901}

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

@@ -257,8 +257,6 @@ void ProfileMenuViewBase::SetHeading(const base::string16& heading,
   const SkColor kBackgroundColor =
       ui::NativeTheme::GetInstanceForNativeUi()->GetSystemColor(
           ui::NativeTheme::kColorId_HighlightedMenuItemBackgroundColor);
-  const int kCornerRadius =
-      views::LayoutProvider::Get()->GetCornerRadiusMetric(views::EMPHASIS_HIGH);
 
   heading_container_->RemoveAllChildViews(/*delete_children=*/true);
   views::BoxLayout* heading_layout = heading_container_->SetLayoutManager(
@@ -267,7 +265,7 @@ void ProfileMenuViewBase::SetHeading(const base::string16& heading,
                       gfx::Insets(kInsidePadding)));
   if (!heading.empty()) {
     heading_container_->SetBackground(
-        views::CreateRoundedRectBackground(kBackgroundColor, kCornerRadius));
+        views::CreateSolidBackground(kBackgroundColor));
   }
 
   // Add the label even if |heading| is empty. This needs to be done so the icon