Revert "support for 'half' types in sksl, plus general numeric type improvements"

This reverts commit 93061b53442ce303e9d3ef74c7eeddc034802c4f.

Reason for revert: bot failures

Original change's description:
> support for 'half' types in sksl, plus general numeric type improvements
> 
> Bug: skia:
> Change-Id: Id285262fda8291847f11343d499b5df62ddb4b09
> Reviewed-on: https://skia-review.googlesource.com/28980
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

TBR=bsalomon@google.com,ethannicholas@google.com

Change-Id: Ie8672271d35b9fcdf567f8bc3674084748be66ad
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/29600
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/sksl/SkSLIRGenerator.h b/src/sksl/SkSLIRGenerator.h
index 0a1bae4f64..70416c5379 100644
--- a/src/sksl/SkSLIRGenerator.h
+++ b/src/sksl/SkSLIRGenerator.h
@@ -106,11 +106,11 @@ private:
     std::unique_ptr<Expression> call(Position position,
                                      const FunctionDeclaration& function,
                                      std::vector<std::unique_ptr<Expression>> arguments);
-    int callCost(const FunctionDeclaration& function,
-                 const std::vector<std::unique_ptr<Expression>>& arguments);
+    bool determineCallCost(const FunctionDeclaration& function,
+                           const std::vector<std::unique_ptr<Expression>>& arguments,
+                           int* outCost);
     std::unique_ptr<Expression> call(Position position, std::unique_ptr<Expression> function,
                                      std::vector<std::unique_ptr<Expression>> arguments);
-    int coercionCost(const Expression& expr, const Type& type);
     std::unique_ptr<Expression> coerce(std::unique_ptr<Expression> expr, const Type& type);
     std::unique_ptr<Block> convertBlock(const ASTBlock& block);
     std::unique_ptr<Statement> convertBreak(const ASTBreakStatement& b);