[ash-md] Updated the overflow shelf to change colors based on the wallpaper.

ash/shelf/shelf_view_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/shelf/shelf_view.h"
 
 #include <algorithm>
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 17 matching lines @@
 #include "ash/shell_port.h"
 #include "ash/system/web_notification/web_notification_tray.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/ash_test_helper.h"
 #include "ash/test/overflow_bubble_view_test_api.h"
 #include "ash/test/overflow_button_test_api.h"
 #include "ash/test/shelf_view_test_api.h"
 #include "ash/test/shell_test_api.h"
 #include "ash/test/test_shell_delegate.h"
 #include "ash/test/test_system_tray_delegate.h"
+#include "ash/test/wallpaper_controller_test_api.h"
+#include "ash/wallpaper/wallpaper_controller.h"
 #include "ash/wm_window.h"
 #include "base/i18n/rtl.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "base/test/scoped_mock_time_message_loop_task_runner.h"
@@ skipping 1525 matching lines @@
   test_for_overflow_view.RunMessageLoopUntilAnimationsDone();
   EXPECT_EQ(bubble_size.width(),
             test_for_overflow_view.GetPreferredSize().width());
 
   generator.ReleaseLeftButton();
   test_for_overflow_view.RunMessageLoopUntilAnimationsDone();
   EXPECT_EQ(bubble_size.width(),
             test_for_overflow_view.GetPreferredSize().width());
 }
 
+TEST_F(ShelfViewTest, OverflowShelfColorIsDerivedFromWallpaper) {
+  test::WallpaperControllerTestApi wallpaper_test_api(
+      Shell::Get()->wallpaper_controller());
+  const SkColor opaque_expected_color =
+      wallpaper_test_api.ApplyColorProducingWallpaper();
+
+  AddButtonsUntilOverflow();
+  test_api_->ShowOverflowBubble();
+  OverflowBubbleView* bubble_view = test_api_->overflow_bubble()->bubble_view();
+
+  EXPECT_EQ(opaque_expected_color, SkColorSetA(bubble_view->color(), 255));
+}
+
 // Check the drag insertion bounds of scrolled overflow bubble.
 TEST_F(ShelfViewTest, CheckDragInsertBoundsOfScrolledOverflowBubble) {
   UpdateDisplay("400x300");
 
   EXPECT_EQ(2, model_->item_count());
 
   AddButtonsUntilOverflow();
 
   // Show overflow bubble.
   test_api_->ShowOverflowBubble();
@@ skipping 1524 matching lines @@
   EXPECT_EQ(views::InkDropState::ACTIVATED,
             overflow_button_ink_drop_->GetTargetInkDropState());
   EXPECT_THAT(overflow_button_ink_drop_->GetAndResetRequestedStates(),
               IsEmpty());
 
   ASSERT_TRUE(test_api_->IsShowingOverflowBubble());
 }
 
 }  // namespace test
 }  // namespace ash