Remove last dependencies on ui/base from ui/gfx

ui/gfx/win/dpi.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_GFX_DPI_WIN_H_
 #define UI_GFX_DPI_WIN_H_
 
 #include "ui/gfx/gfx_export.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace gfx {
 
-UI_EXPORT Size GetDPI();
+// Initialization of the scale factor that should be applied for rendering
+// in this process. Must be called before attempts to call any of the getter
+// methods below in this file, e.g. in the early toolkit/resource bundle setup.
+// This can be called multiple times during various tests, but subsequent calls
+// have no effect.
+GFX_EXPORT void InitDeviceScaleFactor(float scale);
+
+GFX_EXPORT Size GetDPI();
 
 // Gets the scale factor of the display. For example, if the display DPI is
 // 96 then the scale factor is 1.0.
-UI_EXPORT float GetDPIScale();
+GFX_EXPORT float GetDPIScale();
 
-UI_EXPORT bool IsInHighDPIMode();
+// Tests to see if the command line flag "--high-dpi-support" is set.
+GFX_EXPORT bool IsHighDPIEnabled();
 
-UI_EXPORT void EnableHighDPISupport();
+GFX_EXPORT bool IsInHighDPIMode();
+
+GFX_EXPORT void EnableHighDPISupport();
 
 // TODO(kevers|girard):  Move above methods into win namespace.
 
 namespace win {
 
-UI_EXPORT float GetDeviceScaleFactor();
+GFX_EXPORT float GetDeviceScaleFactor();
 
-UI_EXPORT Point ScreenToDIPPoint(const Point& pixel_point);
+GFX_EXPORT Point ScreenToDIPPoint(const Point& pixel_point);
 
-UI_EXPORT Point DIPToScreenPoint(const Point& dip_point);
+GFX_EXPORT Point DIPToScreenPoint(const Point& dip_point);
 
-UI_EXPORT Rect ScreenToDIPRect(const Rect& pixel_bounds);
+GFX_EXPORT Rect ScreenToDIPRect(const Rect& pixel_bounds);
 
-UI_EXPORT Rect DIPToScreenRect(const Rect& dip_bounds);
+GFX_EXPORT Rect DIPToScreenRect(const Rect& dip_bounds);
 
-UI_EXPORT Size ScreenToDIPSize(const Size& size_in_pixels);
+GFX_EXPORT Size ScreenToDIPSize(const Size& size_in_pixels);
 
-UI_EXPORT Size DIPToScreenSize(const Size& dip_size);
+GFX_EXPORT Size DIPToScreenSize(const Size& dip_size);
 
 // Win32's GetSystemMetrics uses pixel measures. This function calls
 // GetSystemMetrics for the given |metric|, then converts the result to DIP.
-UI_EXPORT int GetSystemMetricsInDIP(int metric);
+GFX_EXPORT int GetSystemMetricsInDIP(int metric);
 
 // Sometimes the OS secretly scales apps that are not DPIAware. This is not
 // visible through standard OS calls like GetWindowPos(), or through
 // GetDPIScale().
 // Returns the scale factor of the display, where 96 DPI is 1.0.
 // (Avoid this function... use GetDPIScale() instead.)
 // TODO(girard): Remove this once DPIAware is enabled - http://crbug.com/149881
-UI_EXPORT double GetUndocumentedDPIScale();
+GFX_EXPORT double GetUndocumentedDPIScale();
 
 // Win7 and Win8 send touch events scaled according to the current DPI
 // scaling. Win8.1 corrects this, and sends touch events in DPI units.
 // This function returns the appropriate scaling factor for touch events.
-UI_EXPORT double GetUndocumentedDPITouchScale();
+GFX_EXPORT double GetUndocumentedDPITouchScale();
 
 }  // namespace win
 }  // namespace gfx
 
 #endif  // UI_GFX_DPI_WIN_H_