Removed makeLinearGamma() from the public API for SkColorSpace

src/core/SkColorSpace_Base.h

Index: src/core/SkColorSpace_Base.h
diff --git a/src/core/SkColorSpace_Base.h b/src/core/SkColorSpace_Base.h
index f0e26be7f2923b2859e9c07115800ca8b84673ba..04f9b0b10848e168eae4f04f79552a7456c8b6f5 100644
--- a/src/core/SkColorSpace_Base.h
+++ b/src/core/SkColorSpace_Base.h
@@ -179,6 +179,11 @@ public:
 
     const SkMatrix44& toXYZD50() const { return fToXYZD50; }
     const SkMatrix44& fromXYZD50() const;
+    
+    /**
+     *  Create an SkColorSpace with the same gamut as this color space, but with linear gamma.
+     */
+    sk_sp<SkColorSpace> makeLinearGamma();
 
 private: