Revert "skslc now automatically turns on derivatives support"

This reverts commit 311742bd0eac6fad150bf8f0a4e2809679464e47.

Reason for revert: Android try failure

Change-Id: I6e92b49df1c8f692da947b277067b9003a9367d0
Reviewed-on: https://skia-review.googlesource.com/3600
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>

3 files changed, 0 insertions, 22 deletions

diff --git a/src/sksl/ir/SkSLFunctionDeclaration.h b/src/sksl/ir/SkSLFunctionDeclaration.h
index ffde0c66c1..16a184a6d7 100644
--- a/src/sksl/ir/SkSLFunctionDeclaration.h
+++ b/src/sksl/ir/SkSLFunctionDeclaration.h
@@ -24,7 +24,6 @@ struct FunctionDeclaration : public Symbol {
                         std::vector<const Variable*> parameters, const Type& returnType)
     : INHERITED(position, kFunctionDeclaration_Kind, std::move(name))
     , fDefined(false)
-    , fBuiltin(false)
     , fParameters(std::move(parameters))
     , fReturnType(returnType) {}
 
@@ -56,7 +55,6 @@ struct FunctionDeclaration : public Symbol {
     }
 
     mutable bool fDefined;
-    bool fBuiltin;
     const std::vector<const Variable*> fParameters;
     const Type& fReturnType;
 
diff --git a/src/sksl/ir/SkSLSymbolTable.cpp b/src/sksl/ir/SkSLSymbolTable.cpp
index 6d8e9a7ea6..9d8c0063c5 100644
--- a/src/sksl/ir/SkSLSymbolTable.cpp
+++ b/src/sksl/ir/SkSLSymbolTable.cpp
@@ -97,22 +97,4 @@ void SymbolTable::addWithoutOwnership(const std::string& name, const Symbol* sym
     }
 }
 
-
-void SymbolTable::markAllFunctionsBuiltin() {
-    for (const auto& pair : fSymbols) {
-        switch (pair.second->fKind) {
-            case Symbol::kFunctionDeclaration_Kind:
-                ((FunctionDeclaration&) *pair.second).fBuiltin = true;
-                break;
-            case Symbol::kUnresolvedFunction_Kind:
-                for (auto& f : ((UnresolvedFunction&) *pair.second).fFunctions) {
-                    ((FunctionDeclaration*) f)->fBuiltin = true;
-                }
-                break;
-            default:
-                break;
-        }
-    }
-}
-
 } // namespace
diff --git a/src/sksl/ir/SkSLSymbolTable.h b/src/sksl/ir/SkSLSymbolTable.h
index be2b49c48d..d732023ff0 100644
--- a/src/sksl/ir/SkSLSymbolTable.h
+++ b/src/sksl/ir/SkSLSymbolTable.h
@@ -39,8 +39,6 @@ public:
 
     Symbol* takeOwnership(Symbol* s);
 
-    void markAllFunctionsBuiltin();
-
     const std::shared_ptr<SymbolTable> fParent;
 
 private: