Turned on SkSL->GLSL compiler

src/sksl/SkSLUtil.cpp

Index: src/sksl/SkSLUtil.cpp
diff --git a/src/sksl/SkSLUtil.cpp b/src/sksl/SkSLUtil.cpp
index 327bffe4f1910c778d9a9654b304c5434d98f312..aefad6936799dd4e92bccf0fed280b439e6737a7 100644
--- a/src/sksl/SkSLUtil.cpp
+++ b/src/sksl/SkSLUtil.cpp
@@ -9,6 +9,41 @@
 
 namespace SkSL {
 
+std::string to_string(double value) {
+    std::stringstream buffer;
+    buffer << std::setprecision(std::numeric_limits<double>::digits10) << value;
+    std::string result = buffer.str();
+    if (result.find_last_of(".") == std::string::npos && 
+        result.find_last_of("e") == std::string::npos) {
+        result += ".0";
+    }
+    return result;
+}
+
+std::string to_string(int32_t value) {
+    std::stringstream buffer;
+    buffer << value;
+    return buffer.str();
+}
+
+std::string to_string(uint32_t value) {
+    std::stringstream buffer;
+    buffer << value;
+    return buffer.str();
+}
+
+std::string to_string(int64_t value) {
+    std::stringstream buffer;
+    buffer << value;
+    return buffer.str();
+}
+
+std::string to_string(uint64_t value) {
+    std::stringstream buffer;
+    buffer << value;
+    return buffer.str();
+}
+
 int stoi(std::string s) {
     return atoi(s.c_str());
 }