--- src/3rdparty/chromium/build/linux/unbundle/libwebp.gn.orig	2018-11-13 18:25:11 UTC
+++ src/3rdparty/chromium/build/linux/unbundle/libwebp.gn
@@ -14,14 +14,15 @@ pkg_config("system_libwebp") {
 }
 
 shim_headers("libwebp_shim") {
-  root_path = "src"
+  root_path = "src/webp"
+  prefix = "webp/"
   headers = [
-    "webp/decode.h",
-    "webp/demux.h",
-    "webp/encode.h",
-    "webp/mux.h",
-    "webp/mux_types.h",
-    "webp/types.h",
+    "decode.h",
+    "demux.h",
+    "encode.h",
+    "mux.h",
+    "mux_types.h",
+    "types.h",
   ]
 }