More old files deletion.

ui/base/layout.h

-// 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.
-
-#ifndef UI_BASE_LAYOUT_H_
-#define UI_BASE_LAYOUT_H_
-
-#include <vector>
-
-#include "build/build_config.h"
-#include "ui/base/ui_base_export.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace ui {
-
-// Supported UI scale factors for the platform. This is used as an index
-// into the array |kScaleFactorScales| which maps the enum value to a float.
-// SCALE_FACTOR_NONE is used for density independent resources such as
-// string, html/js files or an image that can be used for any scale factors
-// (such as wallpapers).
-enum ScaleFactor {
-  SCALE_FACTOR_NONE = 0,
-  SCALE_FACTOR_100P,
-  SCALE_FACTOR_125P,
-  SCALE_FACTOR_133P,
-  SCALE_FACTOR_140P,
-  SCALE_FACTOR_150P,
-  SCALE_FACTOR_180P,
-  SCALE_FACTOR_200P,
-  SCALE_FACTOR_250P,
-  SCALE_FACTOR_300P,
-
-  NUM_SCALE_FACTORS  // This always appears last.
-};
-
-// Changes the value of GetSupportedScaleFactors() to |scale_factors|.
-// Use ScopedSetSupportedScaleFactors for unit tests as not to affect the
-// state of other tests.
-UI_BASE_EXPORT void SetSupportedScaleFactors(
-    const std::vector<ScaleFactor>& scale_factors);
-
-// Returns a vector with the scale factors which are supported by this
-// platform, in ascending order.
-UI_BASE_EXPORT const std::vector<ScaleFactor>& GetSupportedScaleFactors();
-
-// Returns the supported ScaleFactor which most closely matches |scale|.
-// Converting from float to ScaleFactor is inefficient and should be done as
-// little as possible.
-UI_BASE_EXPORT ScaleFactor GetSupportedScaleFactor(float image_scale);
-
-// Returns the ScaleFactor used by |view|.
-UI_BASE_EXPORT float GetScaleFactorForNativeView(gfx::NativeView view);
-
-// Returns the image scale for the scale factor passed in.
-UI_BASE_EXPORT float GetScaleForScaleFactor(ScaleFactor scale_factor);
-
-namespace test {
-// Class which changes the value of GetSupportedScaleFactors() to
-// |new_scale_factors| for the duration of its lifetime.
-class UI_BASE_EXPORT ScopedSetSupportedScaleFactors {
- public:
-  explicit ScopedSetSupportedScaleFactors(
-      const std::vector<ui::ScaleFactor>& new_scale_factors);
-  ~ScopedSetSupportedScaleFactors();
-
- private:
-  std::vector<ui::ScaleFactor>* original_scale_factors_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedSetSupportedScaleFactors);
-};
-
-}  // namespace test
-
-}  // namespace ui
-
-#endif  // UI_BASE_LAYOUT_H_