Replace IccModule with IccTransform.

The module class, with its static methods, serves no purpose, and the
actions it performs are better served as methods of the LCmsCmm class.

-- Rename from LCmsCmm for clarity.

Change-Id: I7f8ada3c41d43b73f1f59c4280af412e7f98e774
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/84633
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/core/fxcodec/BUILD.gn b/core/fxcodec/BUILD.gn
index 784dcce..4564510 100644
--- a/core/fxcodec/BUILD.gn
+++ b/core/fxcodec/BUILD.gn
@@ -18,8 +18,8 @@
     "fx_codec.cpp",
     "fx_codec.h",
     "fx_codec_def.h",
-    "icc/iccmodule.cpp",
-    "icc/iccmodule.h",
+    "icc/icc_transform.cpp",
+    "icc/icc_transform.h",
     "jbig2/JBig2_ArithDecoder.cpp",
     "jbig2/JBig2_ArithDecoder.h",
     "jbig2/JBig2_ArithIntDecoder.cpp",