diff --git a/gn/sksl.gni b/gn/sksl.gni
index 4f24792574..6fa1b8f8a3 100644
--- a/gn/sksl.gni
+++ b/gn/sksl.gni
@@ -7,34 +7,70 @@
 _src = get_path_info("../src", "abspath")
 
 skia_sksl_sources = [
+  "$_src/sksl/SkSLASTFile.h",
   "$_src/sksl/SkSLASTNode.cpp",
+  "$_src/sksl/SkSLASTNode.h",
   "$_src/sksl/SkSLByteCode.cpp",
+  "$_src/sksl/SkSLByteCode.h",
   "$_src/sksl/SkSLByteCodeGenerator.cpp",
+  "$_src/sksl/SkSLByteCodeGenerator.h",
   "$_src/sksl/SkSLCFGGenerator.cpp",
+  "$_src/sksl/SkSLCFGGenerator.h",
   "$_src/sksl/SkSLCompiler.cpp",
+  "$_src/sksl/SkSLCompiler.h",
+  "$_src/sksl/SkSLContext.h",
+  "$_src/sksl/SkSLDefines.h",
+  "$_src/sksl/SkSLErrorReporter.h",
+  "$_src/sksl/SkSLExternalValue.h",
+  "$_src/sksl/SkSLFileOutputStream.h",
   "$_src/sksl/SkSLIRGenerator.cpp",
+  "$_src/sksl/SkSLIRGenerator.h",
   "$_src/sksl/SkSLLexer.cpp",
+  "$_src/sksl/SkSLLexer.h",
+  "$_src/sksl/SkSLMemoryLayout.h",
+  "$_src/sksl/SkSLOutputStream.h",
   "$_src/sksl/SkSLParser.cpp",
+  "$_src/sksl/SkSLParser.h",
+  "$_src/sksl/SkSLPosition.h",
   "$_src/sksl/SkSLSampleMatrix.cpp",
+  "$_src/sksl/SkSLSampleMatrix.h",
   "$_src/sksl/SkSLSectionAndParameterHelper.cpp",
+  "$_src/sksl/SkSLSectionAndParameterHelper.h",
   "$_src/sksl/SkSLString.cpp",
+  "$_src/sksl/SkSLString.h",
+  "$_src/sksl/SkSLStringStream.h",
   "$_src/sksl/SkSLUtil.cpp",
+  "$_src/sksl/SkSLUtil.h",
   "$_src/sksl/ir/SkSLSetting.cpp",
+  "$_src/sksl/ir/SkSLSetting.h",
   "$_src/sksl/ir/SkSLSymbolTable.cpp",
+  "$_src/sksl/ir/SkSLSymbolTable.h",
   "$_src/sksl/ir/SkSLType.cpp",
+  "$_src/sksl/ir/SkSLType.h",
   "$_src/sksl/ir/SkSLVariableReference.cpp",
+  "$_src/sksl/ir/SkSLVariableReference.h",
 ]
 
 skia_sksl_gpu_sources = [
   "$_src/sksl/SkSLCPPCodeGenerator.cpp",
+  "$_src/sksl/SkSLCPPCodeGenerator.h",
   "$_src/sksl/SkSLCPPUniformCTypes.cpp",
+  "$_src/sksl/SkSLCPPUniformCTypes.h",
+  "$_src/sksl/SkSLCodeGenerator.h",
   "$_src/sksl/SkSLGLSLCodeGenerator.cpp",
+  "$_src/sksl/SkSLGLSLCodeGenerator.h",
   "$_src/sksl/SkSLHCodeGenerator.cpp",
+  "$_src/sksl/SkSLHCodeGenerator.h",
   "$_src/sksl/SkSLMetalCodeGenerator.cpp",
+  "$_src/sksl/SkSLMetalCodeGenerator.h",
   "$_src/sksl/SkSLOutputStream.cpp",
+  "$_src/sksl/SkSLOutputStream.h",
   "$_src/sksl/SkSLPipelineStageCodeGenerator.cpp",
+  "$_src/sksl/SkSLPipelineStageCodeGenerator.h",
   "$_src/sksl/SkSLSPIRVCodeGenerator.cpp",
+  "$_src/sksl/SkSLSPIRVCodeGenerator.h",
   "$_src/sksl/SkSLSPIRVtoHLSL.cpp",
+  "$_src/sksl/SkSLSPIRVtoHLSL.h",
 ]
 
 skia_gpu_processor_sources = [