Revert of Lots of progress switching to SkColorSpace rather than SkColorProfileType

include/core/SkImageInfo.h

Index: include/core/SkImageInfo.h
diff --git a/include/core/SkImageInfo.h b/include/core/SkImageInfo.h
index f7a619f9ea45b7a60b100a2f4e6345b7005cc25f..c0e0be13f93d394712e4ca7131e16a1458d0c7a6 100644
--- a/include/core/SkImageInfo.h
+++ b/include/core/SkImageInfo.h
@@ -379,14 +379,12 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static inline bool SkColorAndColorSpaceAreGammaCorrect(SkColorType ct, SkColorSpace* cs) {
-    // Anything with a color-space attached is gamma-correct, as is F16.
-    // To get legacy behavior, you need to ask for non-F16, with a nullptr color space.
-    return (cs != nullptr) || kRGBA_F16_SkColorType == ct;
+static inline bool SkColorAndProfileAreGammaCorrect(SkColorType ct, SkColorProfileType pt) {
+    return kSRGB_SkColorProfileType == pt || kRGBA_F16_SkColorType == ct;
 }
 
 static inline bool SkImageInfoIsGammaCorrect(const SkImageInfo& info) {
-    return SkColorAndColorSpaceAreGammaCorrect(info.colorType(), info.colorSpace());
+    return SkColorAndProfileAreGammaCorrect(info.colorType(), info.profileType());
 }
 
 #endif