Added SkColor4f::FromColor3f(SkColor3f, float a)

include/core/SkColor.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkColor_DEFINED
 #define SkColor_DEFINED
 
 #include "SkScalar.h"
+#include "SkPoint3.h"
 #include "SkTypes.h"
 
 /** \file SkColor.h
 
     Types and macros for colors
 */
 
 /** 8-bit type for an alpha value. 0xFF is 100% opaque, 0x00 is 100% transparent.
 */
 typedef uint8_t SkAlpha;
@@ skipping 154 matching lines @@
     }
     bool operator!=(const SkColor4f& other) const {
         return !(*this == other);
     }
 
     const float* vec() const { return &fR; }
     float* vec() { return &fR; }
 
     static SkColor4f Pin(float r, float g, float b, float a);
     static SkColor4f FromColor(SkColor);
+    static SkColor4f FromColor3f(SkColor3f, float a);
 
     SkColor toSkColor() const;
 
     SkColor4f pin() const {
         return Pin(fR, fG, fB, fA);
     }
 
     SkPM4f premul() const;
 };
 
 #endif