chromeos: Move files in //ash/common to //ash, part 1

ash/system/palette/tools/magnifier_mode.h

 // 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.
 
-#ifndef ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_MAGNIFIER_MODE_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_MAGNIFIER_MODE_H_
+#ifndef ASH_SYSTEM_PALETTE_TOOLS_MAGNIFIER_MODE_H_
+#define ASH_SYSTEM_PALETTE_TOOLS_MAGNIFIER_MODE_H_
 
-#include "ash/common/system/chromeos/palette/common_palette_tool.h"
+#include "ash/system/palette/common_palette_tool.h"
 
 namespace ash {
 
 // Exposes a palette tool that lets the user enable a partial screen magnifier
 // (ie, a spyglass) that dynamically appears when pressing the screen.
 class MagnifierMode : public CommonPaletteTool {
  public:
   explicit MagnifierMode(Delegate* delegate);
   ~MagnifierMode() override;
 
  private:
   // PaletteTool overrides.
   PaletteGroup GetGroup() const override;
   PaletteToolId GetToolId() const override;
   const gfx::VectorIcon& GetActiveTrayIcon() const override;
   void OnEnable() override;
   void OnDisable() override;
   views::View* CreateView() override;
 
   // CommonPaletteTool overrides.
   const gfx::VectorIcon& GetPaletteIcon() const override;
 
   DISALLOW_COPY_AND_ASSIGN(MagnifierMode);
 };
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_MAGNIFIER_MODE_H_
+#endif  // ASH_SYSTEM_PALETTE_TOOLS_MAGNIFIER_MODE_H_