Refactored SkColorSpace and added in a Lab PCS GM

tests/ColorSpaceTest.cpp

Index: tests/ColorSpaceTest.cpp
diff --git a/tests/ColorSpaceTest.cpp b/tests/ColorSpaceTest.cpp
index a6ed9e3cf9c8c77a984b92985a90beb4f0065b83..8f8b7a56248dae949ef1a94c0a6c5534e3a28ba3 100644
--- a/tests/ColorSpaceTest.cpp
+++ b/tests/ColorSpaceTest.cpp
@@ -9,6 +9,7 @@
 #include "SkCodec.h"
 #include "SkColorSpace.h"
 #include "SkColorSpace_Base.h"
+#include "SkColorSpace_XYZTRC.h"
 #include "Test.h"
 
 #include "png.h"
@@ -22,9 +23,9 @@ static void test_space(skiatest::Reporter* r, SkColorSpace* space,
                        const SkGammaNamed expectedGamma) {
 
     REPORTER_ASSERT(r, nullptr != space);
-    REPORTER_ASSERT(r, expectedGamma == as_CSB(space)->gammaNamed());
+    REPORTER_ASSERT(r, expectedGamma == as_CSXYZ(space)->gammaNamed());
 
-    const SkMatrix44& mat = as_CSB(space)->toXYZD50();
+    const SkMatrix44& mat = as_CSXYZ(space)->toXYZD50();
     const float src[] = {
         1, 0, 0, 1,
         0, 1, 0, 1,
@@ -166,8 +167,8 @@ DEF_TEST(ColorSpaceWriteICC, r) {
     sk_sp<SkData> newMonitorData = ColorSpaceTest::WriteToICC(monitorSpace.get());
     sk_sp<SkColorSpace> newMonitorSpace = SkColorSpace::NewICC(newMonitorData->data(),
                                                                newMonitorData->size());
-    REPORTER_ASSERT(r, as_CSB(monitorSpace)->toXYZD50() == as_CSB(newMonitorSpace)->toXYZD50());
-    REPORTER_ASSERT(r, as_CSB(monitorSpace)->gammaNamed() == as_CSB(newMonitorSpace)->gammaNamed());
+    REPORTER_ASSERT(r, as_CSXYZ(monitorSpace)->toXYZD50() == as_CSXYZ(newMonitorSpace)->toXYZD50());
+    REPORTER_ASSERT(r, as_CSXYZ(monitorSpace)->gammaNamed() == as_CSXYZ(newMonitorSpace)->gammaNamed());
 }
 
 DEF_TEST(ColorSpace_Named, r) {
@@ -184,7 +185,7 @@ DEF_TEST(ColorSpace_Named, r) {
         auto cs = SkColorSpace::NewNamed(rec.fNamed);
         REPORTER_ASSERT(r, cs);
         if (cs) {
-            REPORTER_ASSERT(r, rec.fExpectedGamma == as_CSB(cs)->gammaNamed());
+            REPORTER_ASSERT(r, rec.fExpectedGamma == as_CSXYZ(cs)->gammaNamed());
         }
     }