Remove unneeded SkColorSpace constructor
TBR=reed@google.com
BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4140

Change-Id: Ib1c477b6b56a100ea449ffa20bdf18041c044a78
Reviewed-on: https://skia-review.googlesource.com/4140
Reviewed-by: Matt Sarett <msarett@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>
diff --git a/tests/SurfaceTest.cpp b/tests/SurfaceTest.cpp
index a126303..483a115 100644
--- a/tests/SurfaceTest.cpp
+++ b/tests/SurfaceTest.cpp
@@ -926,7 +926,10 @@
     auto adobeColorSpace = SkColorSpace::MakeNamed(SkColorSpace::kAdobeRGB_Named);
     const SkMatrix44* srgbMatrix = as_CSB(srgbColorSpace)->toXYZD50();
     SkASSERT(srgbMatrix);
-    const float oddGamma[] = { 2.4f, 2.4f, 2.4f };
+    SkColorSpaceTransferFn oddGamma;
+    oddGamma.fA = 1.0f;
+    oddGamma.fB = oddGamma.fC = oddGamma.fD = oddGamma.fE = oddGamma.fF = 0.0f;
+    oddGamma.fG = 4.0f;
     auto oddColorSpace = SkColorSpace::MakeRGB(oddGamma, *srgbMatrix);
     auto linearColorSpace = SkColorSpace::MakeNamed(SkColorSpace::kSRGBLinear_Named);