more SkImageInfo docs

fix a couple of fiddles with changed output
rewrite some SkSurface image makers
move towards replacing SkImageInfo.h

R=caryclark@google.com

Docs-Preview: https://skia.org/?cl=115163
Bug: skia:6898
Change-Id: Id9895b051cd457336c30250a69cf95359d1d34d7
Reviewed-on: https://skia-review.googlesource.com/115163
Commit-Queue: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
diff --git a/docs/undocumented.bmh b/docs/undocumented.bmh
index 094b5c2..da8b9fc 100644
--- a/docs/undocumented.bmh
+++ b/docs/undocumented.bmh
@@ -33,6 +33,7 @@
  SK_HAS_JPEG_LIBRARY # ditto
  SK_HAS_PNG_LIBRARY # ditto
  SK_HAS_WEBP_LIBRARY # ditto
+ SK_PMCOLOR_BYTE_ORDER # ditto
 
 # FreeType related
 FT_LOAD_TARGET_LIGHT
@@ -169,6 +170,8 @@
     ##
     #Method bool gammaCloseToSRGB() const
     ##
+    #Method static bool Equals(const SkColorSpace* src, const SkColorSpace* dst)
+    ##
 ##
 #EnumClass SkTransferFunctionBehavior
 #Const kRespect 0