[Payments] Use themed background color.

Bug: 743173
Change-Id: Ie31e92bff4fda5907d45b931dd79caeac79b36ff
Reviewed-on: https://chromium-review.googlesource.com/669319Reviewed-by: anthonyvd <anthonyvd@chromium.org>
Commit-Queue: Rouslan Solomakhin <rouslan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532956}

chrome/browser/ui/views/payments/payment_request_dialog_view.cc

@@ -389,7 +389,8 @@ void PaymentRequestDialogView::SetupSpinnerOverlay() {
   throbber_overlay_.SetVisible(false);
   // The throbber overlay has to have a solid white background to hide whatever
   // would be under it.
-  throbber_overlay_.SetBackground(views::CreateSolidBackground(SK_ColorWHITE));
+  throbber_overlay_.SetBackground(views::CreateThemedSolidBackground(
+      &throbber_overlay_, ui::NativeTheme::kColorId_WindowBackground));
 
   views::GridLayout* layout = throbber_overlay_.SetLayoutManager(
       std::make_unique<views::GridLayout>(&throbber_overlay_));

chrome/browser/ui/views/payments/payment_request_sheet_controller.cc

@@ -160,7 +160,8 @@ class BorderedScrollView : public views::ScrollView {
   };
 
   BorderedScrollView() : views::ScrollView() {
-    SetBackgroundColor(SK_ColorWHITE);
+    SetBackground(views::CreateThemedSolidBackground(
+        this, ui::NativeTheme::kColorId_WindowBackground));
     SetBorder(views::CreateBorderPainter(
         std::make_unique<BorderedScrollViewBorderPainter>(
             GetNativeTheme()->GetSystemColor(
@@ -212,7 +213,8 @@ std::unique_ptr<views::View> PaymentRequestSheetController::CreateView() {
   if (GetSheetId(&sheet_id))
     view->set_id(static_cast<int>(sheet_id));
 
-  view->SetBackground(views::CreateSolidBackground(SK_ColorWHITE));
+  view->SetBackground(views::CreateThemedSolidBackground(
+      view.get(), ui::NativeTheme::kColorId_WindowBackground));
 
   // Paint the sheets to layers, otherwise the MD buttons (which do paint to a
   // layer) won't do proper clipping.
@@ -250,7 +252,8 @@ std::unique_ptr<views::View> PaymentRequestSheetController::CreateView() {
   content_view_ = new views::View;
   content_view_->SetPaintToLayer();
   content_view_->layer()->SetFillsBoundsOpaquely(true);
-  content_view_->SetBackground(views::CreateSolidBackground(SK_ColorWHITE));
+  content_view_->SetBackground(views::CreateThemedSolidBackground(
+      content_view_, ui::NativeTheme::kColorId_WindowBackground));
   content_view_->set_id(static_cast<int>(DialogViewID::CONTENT_VIEW));
   pane_layout->AddView(content_view_);
   pane_->SizeToPreferredSize();