dark_mode: Light power menu and system toast by default.

Bug: 1133952
Change-Id: I8c1e3e7ee4d3ea486aa0519693a7a8e066bd7dc6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2444176Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Commit-Queue: Min Chen <minch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813313}

ash/style/default_color_constants.h

@@ -5,9 +5,14 @@
 #ifndef ASH_STYLE_DEFAULT_COLOR_CONSTANTS_H_
 #define ASH_STYLE_DEFAULT_COLOR_CONSTANTS_H_
 
+#include "ui/gfx/color_palette.h"
+
 // Colors that can't be found in AshColorProvider. This is used to keep the UI
 // element's current look before launching dark/light mode. Using this together
 // with the Deprecated* functions inside default_colors.h file. Note: This file
 // will be removed once enabled dark/light mode.
 
+// Colors for power button menu.
+constexpr SkColor kPowerButtonMenuFullscreenShieldColor = SK_ColorBLACK;
+
 #endif  // ASH_STYLE_DEFAULT_COLOR_CONSTANTS_H_

ash/system/power/power_button_menu_item_view.cc

@@ -5,6 +5,7 @@
 #include "ash/system/power/power_button_menu_item_view.h"
 
 #include "ash/style/ash_color_provider.h"
+#include "ash/style/scoped_light_mode_as_default.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font.h"
@@ -46,6 +47,7 @@ PowerButtonMenuItemView::PowerButtonMenuItemView(
   SetFocusBehavior(FocusBehavior::ALWAYS);
   SetFocusPainter(nullptr);
 
+  ScopedLightModeAsDefault scoped_light_mode_as_default;
   const AshColorProvider* color_provider = AshColorProvider::Get();
   icon_view_->SetImage(gfx::CreateVectorIcon(
       icon, color_provider->GetContentLayerColor(
@@ -120,6 +122,7 @@ void PowerButtonMenuItemView::PaintButtonContents(gfx::Canvas* canvas) {
   gfx::Rect bounds = GetLocalBounds();
   bounds.Inset(gfx::Insets(kItemBorderThickness));
   // Stroke.
+  ScopedLightModeAsDefault scoped_light_mode_as_default;
   flags.setColor(AshColorProvider::Get()->GetControlsLayerColor(
       AshColorProvider::ControlsLayerType::kFocusRingColor));
   flags.setStrokeWidth(kItemBorderThickness);

ash/system/power/power_button_menu_screen_view.cc

@@ -8,6 +8,8 @@
 
 #include "ash/shell.h"
 #include "ash/style/ash_color_provider.h"
+#include "ash/style/default_color_constants.h"
+#include "ash/style/default_colors.h"
 #include "ash/system/power/power_button_menu_metrics_type.h"
 #include "ash/system/power/power_button_menu_view.h"
 #include "ash/wm/tablet_mode/tablet_mode_controller.h"
@@ -63,8 +65,9 @@ class PowerButtonMenuScreenView::PowerButtonMenuBackgroundView
   PowerButtonMenuBackgroundView(base::RepeatingClosure show_animation_done)
       : show_animation_done_(show_animation_done) {
     SetPaintToLayer(ui::LAYER_SOLID_COLOR);
-    layer()->SetColor(AshColorProvider::Get()->GetShieldLayerColor(
-        AshColorProvider::ShieldLayerType::kShield40));
+    layer()->SetColor(DeprecatedGetShieldLayerColor(
+        AshColorProvider::ShieldLayerType::kShield40,
+        kPowerButtonMenuFullscreenShieldColor));
     layer()->SetOpacity(0.f);
   }
 

ash/system/power/power_button_menu_view.cc

@@ -14,6 +14,7 @@
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/style/ash_color_provider.h"
+#include "ash/style/scoped_light_mode_as_default.h"
 #include "ash/system/power/power_button_menu_item_view.h"
 #include "ash/system/power/power_button_menu_metrics_type.h"
 #include "ash/system/user/login_status.h"
@@ -51,6 +52,7 @@ PowerButtonMenuView::PowerButtonMenuView(
     : power_button_position_(power_button_position) {
   SetFocusBehavior(FocusBehavior::ALWAYS);
   SetPaintToLayer();
+  ScopedLightModeAsDefault scoped_light_mode_as_default;
   SetBackground(
       views::CreateSolidBackground(AshColorProvider::Get()->GetBaseLayerColor(
           AshColorProvider::BaseLayerType::kTransparent80)));

ash/system/toast/toast_overlay.cc

@@ -12,6 +12,7 @@
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/style/ash_color_provider.h"
+#include "ash/style/scoped_light_mode_as_default.h"
 #include "ash/wm/work_area_insets.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ -68,6 +69,7 @@ class ToastOverlayLabel : public views::Label {
     SetAutoColorReadabilityEnabled(false);
     SetMultiLine(true);
     SetMaxLines(2);
+    ScopedLightModeAsDefault scoped_light_mode_as_default;
     SetEnabledColor(AshColorProvider::Get()->GetContentLayerColor(
         AshColorProvider::ContentLayerType::kTextColorPrimary));
     SetSubpixelRenderingEnabled(false);
@@ -117,6 +119,7 @@ class ToastOverlayButton : public views::LabelButton {
       : views::LabelButton(listener, text, CONTEXT_TOAST_OVERLAY) {
     SetInkDropMode(InkDropMode::ON);
     SetHasInkDropActionOnClick(true);
+    ScopedLightModeAsDefault scoped_light_mode_as_default;
     const auto* color_provider = AshColorProvider::Get();
     SetInkDropBaseColor(color_provider->GetRippleAttributes().base_color);
     SetEnabledTextColors(color_provider->GetContentLayerColor(
@@ -159,6 +162,7 @@ class ToastOverlayView : public views::View, public views::ButtonListener {
                    const bool is_managed)
       : overlay_(overlay) {
     SetPaintToLayer();
+    ScopedLightModeAsDefault scoped_light_mode_as_default;
     SetBackground(
         views::CreateSolidBackground(AshColorProvider::Get()->GetBaseLayerColor(
             AshColorProvider::BaseLayerType::kTransparent80)));