switched SkSL's temporary 'highfloat' type back to 'float'

Bug: skia:
Change-Id: If0debae7318b6b5b4a7cb85d458996a09931127e
Reviewed-on: https://skia-review.googlesource.com/48760
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/sksl/SkSLHCodeGenerator.cpp b/src/sksl/SkSLHCodeGenerator.cpp
index 8203990..b06cd0b 100644
--- a/src/sksl/SkSLHCodeGenerator.cpp
+++ b/src/sksl/SkSLHCodeGenerator.cpp
@@ -23,15 +23,15 @@
 , fSectionAndParameterHelper(*program, *errors) {}
 
 String HCodeGenerator::ParameterType(const Type& type) {
-    if (type.name() == "highfloat" || type.name() == "half") {
+    if (type.name() == "float" || type.name() == "half") {
         return "float";
-    } else if (type.name() == "highfloat2" || type.name() == "half2") {
+    } else if (type.name() == "float2" || type.name() == "half2") {
         return "SkPoint";
     } else if (type.name() == "int4" || type.name() == "short4") {
         return "SkIRect";
-    } else if (type.name() == "highfloat4" || type.name() == "half4") {
+    } else if (type.name() == "float4" || type.name() == "half4") {
         return "SkRect";
-    } else if (type.name() == "highfloat4x4" || type.name() == "half4x4") {
+    } else if (type.name() == "float4x4" || type.name() == "half4x4") {
         return "SkMatrix44";
     } else if (type.kind() == Type::kSampler_Kind) {
         return "sk_sp<GrTextureProxy>";