Turned on SkSL->GLSL compiler
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288033003

Committed: https://skia.googlesource.com/skia/+/9b0fe3d125f237d9884732a48414fa85fc71b4e3
Committed: https://skia.googlesource.com/skia/+/b12b3c6908c62c908b3680be01e3b5bfd30de310
Committed: https://skia.googlesource.com/skia/+/f008b0a59f45c0d4bea3e66faf3b01805009ec89
Committed: https://skia.googlesource.com/skia/+/08b2ccf398e2b81bc05d2c105837e5419899469b
Committed: https://skia.googlesource.com/skia/+/dcfe6dba4a335e50e86ff68e3252065d4197432c
Review-Url: https://codereview.chromium.org/2288033003
diff --git a/src/sksl/SkSLUtil.h b/src/sksl/SkSLUtil.h
index 33611cd..efffaae 100644
--- a/src/sksl/SkSLUtil.h
+++ b/src/sksl/SkSLUtil.h
@@ -19,11 +19,15 @@
 
 // our own definitions of certain std:: functions, because they are not always present on Android
 
-template <typename T> std::string to_string(T value) {
-    std::stringstream buffer;
-    buffer << std::setprecision(std::numeric_limits<T>::digits10) << value;
-    return buffer.str();
-}
+std::string to_string(double value);
+
+std::string to_string(int32_t value);
+
+std::string to_string(uint32_t value);
+
+std::string to_string(int64_t value);
+
+std::string to_string(uint64_t value);
 
 #if _MSC_VER
 #define NORETURN __declspec(noreturn)