Remove last dependencies on ui/base from ui/gfx

ui/gfx/color_utils.h

Index: ui/gfx/color_utils.h
diff --git a/ui/gfx/color_utils.h b/ui/gfx/color_utils.h
index 440e3825c31d4814f1bd2fcd1a0d12124b752592..2bf3bcdb9f3db680630afc704c7c094c1481337b 100644
--- a/ui/gfx/color_utils.h
+++ b/ui/gfx/color_utils.h
@@ -20,14 +20,14 @@ struct HSL {
   double l;
 };
 
-UI_EXPORT unsigned char GetLuminanceForColor(SkColor color);
+GFX_EXPORT unsigned char GetLuminanceForColor(SkColor color);
 
 // Calculated according to http://www.w3.org/TR/WCAG20/#relativeluminancedef
-UI_EXPORT double RelativeLuminance(SkColor color);
+GFX_EXPORT double RelativeLuminance(SkColor color);
 
 // Note: these transformations assume sRGB as the source color space
-UI_EXPORT void SkColorToHSL(SkColor c, HSL* hsl);
-UI_EXPORT SkColor HSLToSkColor(const HSL& hsl, SkAlpha alpha);
+GFX_EXPORT void SkColorToHSL(SkColor c, HSL* hsl);
+GFX_EXPORT SkColor HSLToSkColor(const HSL& hsl, SkAlpha alpha);
 
 // HSL-Shift an SkColor. The shift values are in the range of 0-1, with the
 // option to specify -1 for 'no change'. The shift values are defined as:
@@ -43,7 +43,7 @@ UI_EXPORT SkColor HSLToSkColor(const HSL& hsl, SkAlpha alpha);
 //    0 = remove all lightness (make all pixels black).
 //    0.5 = leave unchanged.
 //    1 = full lightness (make all pixels white).
-UI_EXPORT SkColor HSLShift(SkColor color, const HSL& shift);
+GFX_EXPORT SkColor HSLShift(SkColor color, const HSL& shift);
 
 // Determine if a given alpha value is nearly completely transparent.
 bool IsColorCloseToTransparent(SkAlpha alpha);
@@ -53,19 +53,19 @@ bool IsColorCloseToGrey(int r, int g, int b);
 
 // Builds a histogram based on the Y' of the Y'UV representation of
 // this image.
-UI_EXPORT void BuildLumaHistogram(const SkBitmap& bitmap, int histogram[256]);
+GFX_EXPORT void BuildLumaHistogram(const SkBitmap& bitmap, int histogram[256]);
 
 // Returns a blend of the supplied colors, ranging from |background| (for
 // |alpha| == 0) to |foreground| (for |alpha| == 255). The alpha channels of
 // the supplied colors are also taken into account, so the returned color may
 // be partially transparent.
-UI_EXPORT SkColor AlphaBlend(SkColor foreground, SkColor background,
-                             SkAlpha alpha);
+GFX_EXPORT SkColor AlphaBlend(SkColor foreground, SkColor background,
+                              SkAlpha alpha);
 
 // Makes a dark color lighter or a light color darker by blending |color| with
 // white or black depending on its current luminance.  |alpha| controls the
 // amount of white or black that will be alpha-blended into |color|.
-UI_EXPORT SkColor BlendTowardOppositeLuminance(SkColor color, SkAlpha alpha);
+GFX_EXPORT SkColor BlendTowardOppositeLuminance(SkColor color, SkAlpha alpha);
 
 // Given an opaque foreground and background color, try to return a foreground
 // color that is "readable" over the background color by luma-inverting the
@@ -76,13 +76,13 @@ UI_EXPORT SkColor BlendTowardOppositeLuminance(SkColor color, SkAlpha alpha);
 //
 // NOTE: This won't do anything but waste time if the supplied foreground color
 // has a luma value close to the midpoint (0.5 in the HSL representation).
-UI_EXPORT SkColor GetReadableColor(SkColor foreground, SkColor background);
+GFX_EXPORT SkColor GetReadableColor(SkColor foreground, SkColor background);
 
 // Invert a color.
-UI_EXPORT SkColor InvertColor(SkColor color);
+GFX_EXPORT SkColor InvertColor(SkColor color);
 
 // Gets a Windows system color as a SkColor
-UI_EXPORT SkColor GetSysSkColor(int which);
+GFX_EXPORT SkColor GetSysSkColor(int which);
 
 }  // namespace color_utils