Revert "Revert "Add support for image load to SkSL""

This reverts commit cb115bdeed5898ded3fdbe572a14616cff809b7c.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4900

Change-Id: Ibcb381bae83d0cfc1a1226be90792061d401426a
Reviewed-on: https://skia-review.googlesource.com/4900
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/sksl/SkSLCompiler.cpp b/src/sksl/SkSLCompiler.cpp
index 4794759..510d610 100644
--- a/src/sksl/SkSLCompiler.cpp
+++ b/src/sksl/SkSLCompiler.cpp
@@ -113,6 +113,9 @@
 
     ADD_TYPE(ISampler2D);
 
+    ADD_TYPE(Image2D);
+    ADD_TYPE(IImage2D);
+
     ADD_TYPE(GSampler1D);
     ADD_TYPE(GSampler2D);
     ADD_TYPE(GSampler3D);