Revert "chromeos: Move files in //ash/common to //ash, part 3"

ash/system/palette/tools/screenshot_unittest.cc

 // Copyright 2016 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/common/wm_shell.h"
 #include "ash/system/palette/mock_palette_tool_delegate.h"
 #include "ash/system/palette/palette_ids.h"
 #include "ash/system/palette/palette_tool.h"
 #include "ash/system/palette/tools/capture_region_mode.h"
 #include "ash/system/palette/tools/capture_screen_action.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_palette_delegate.h"
-#include "ash/wm_shell.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 
 namespace ash {
 
 namespace {
 
 // Base class for all create note ash tests.
 class ScreenshotToolTest : public test::AshTestBase {
  public:
@@ skipping 49 matching lines @@
   std::unique_ptr<PaletteTool> tool =
       base::MakeUnique<CaptureScreenAction>(palette_tool_delegate_.get());
   EXPECT_CALL(*palette_tool_delegate_.get(),
               DisableTool(PaletteToolId::CAPTURE_SCREEN));
   EXPECT_CALL(*palette_tool_delegate_.get(), HidePaletteImmediately());
   tool->OnEnable();
   EXPECT_EQ(1, test_palette_delegate()->take_screenshot_count());
 }
 
 }  // namespace ash