Shrink chrome_elf.dll by switching source_sets to static_library

third_party/yasm/yasm_assemble.gni

Index: third_party/yasm/yasm_assemble.gni
diff --git a/third_party/yasm/yasm_assemble.gni b/third_party/yasm/yasm_assemble.gni
index feaba1f0e64d1736f595b82c85539f6685e691a4..73d554856bad2735edb31462d430e92da79bda01 100644
--- a/third_party/yasm/yasm_assemble.gni
+++ b/third_party/yasm/yasm_assemble.gni
@@ -182,7 +182,7 @@ template("yasm_assemble") {
   # Gather the .o files into a linkable thing. This doesn't actually link
   # anything (a source set just compiles files to link later), but will pass
   # the object files generated by the action up the dependency chain.
-  source_set(source_set_name) {
+  static_library(source_set_name) {
     if (defined(invoker.visibility)) {
       visibility = invoker.visibility
     }