Update background opacity to 80% transparency.

Screenshot of change has been uploaded to the bug.

Bug: 1156245
Change-Id: I80ed29bb9486c75b1ce6bd4217401cb4f25758d8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2594448Reviewed-by: Yulun Wu <yulunwu@chromium.org>
Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Commit-Queue: Yulun Wu <yulunwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#838254}

ash/app_list/app_list_color_provider_impl.cc

@@ -69,9 +69,9 @@ SkColor AppListColorProviderImpl::GetSearchBoxBackgroundColor() const {
 }
 
 SkColor AppListColorProviderImpl::GetSearchBoxCardBackgroundColor() const {
-  // Set solid color background to avoid broken text. See crbug.com/746563.
-  return DeprecatedGetBaseLayerColor(AshColorProvider::BaseLayerType::kOpaque,
-                                     /*default_color*/ SK_ColorWHITE);
+  return DeprecatedGetBaseLayerColor(
+      AshColorProvider::BaseLayerType::kTransparent80,
+      /*default_color*/ SK_ColorWHITE);
 }
 
 SkColor AppListColorProviderImpl::GetSearchBoxTextColor(

ash/app_list/views/search_result_tile_item_view.cc

@@ -155,10 +155,7 @@ void SearchResultTileItemView::OnResultChanged() {
     title_->SetFontList(font);
     title_->SetEnabledColor(AppListConfig::instance().grid_title_color());
   } else {
-    // Set solid color background to avoid broken text. See crbug.com/746563.
     if (rating_) {
-      rating_->SetBackground(views::CreateSolidBackground(
-          AppListColorProvider::Get()->GetSearchBoxCardBackgroundColor()));
       if (!IsSuggestedAppTile()) {
         // App search results use different fonts than AppList apps.
         rating_->SetFontList(
@@ -169,8 +166,6 @@ void SearchResultTileItemView::OnResultChanged() {
       }
     }
     if (price_) {
-      price_->SetBackground(views::CreateSolidBackground(
-          AppListColorProvider::Get()->GetSearchBoxCardBackgroundColor()));
       if (!IsSuggestedAppTile()) {
         // App search results use different fonts than AppList apps.
         price_->SetFontList(ui::ResourceBundle::GetSharedInstance().GetFontList(
@@ -179,8 +174,6 @@ void SearchResultTileItemView::OnResultChanged() {
         price_->SetFontList(font);
       }
     }
-    title_->SetBackground(views::CreateSolidBackground(
-        AppListColorProvider::Get()->GetSearchBoxCardBackgroundColor()));
     if (!IsSuggestedAppTile()) {
       // App search results use different fonts than AppList apps.
       title_->SetFontList(

ash/app_list/views/search_result_view.cc

@@ -265,12 +265,6 @@ void SearchResultView::PaintButtonContents(gfx::Canvas* canvas) {
   text_bounds.set_x(
       GetMirroredXWithWidthInView(text_bounds.x(), text_bounds.width()));
 
-  // Set solid color background to avoid broken text. See crbug.com/746563.
-  // This should be drawn before selected color which is semi-transparent.
-  canvas->FillRect(
-      text_bounds,
-      AppListColorProvider::Get()->GetSearchBoxCardBackgroundColor());
-
   if (title_text_ && details_text_) {
     gfx::Size title_size(text_bounds.width(), kTitleLineHeight);
     gfx::Size details_size(text_bounds.width(), kDetailsLineHeight);