Disable scrollbar snapback on desktop Linux (Reland)

content/renderer/BUILD.gn

Index: content/renderer/BUILD.gn
diff --git a/content/renderer/BUILD.gn b/content/renderer/BUILD.gn
index 40063192282112d2bcffc85f30c0133910f9a1cc..12c566cede81a987e0b7a3c806b245333c7690e4 100644
--- a/content/renderer/BUILD.gn
+++ b/content/renderer/BUILD.gn
@@ -381,8 +381,8 @@ target(link_target_type, "renderer") {
     "webgraphicscontext3d_provider_impl.h",
     "webpublicsuffixlist_impl.cc",
     "webpublicsuffixlist_impl.h",
-    "webscrollbarbehavior_impl_gtkoraura.cc",
-    "webscrollbarbehavior_impl_gtkoraura.h",
+    "webscrollbarbehavior_impl_aura.cc",
+    "webscrollbarbehavior_impl_aura.h",
     "webscrollbarbehavior_impl_mac.h",
     "webscrollbarbehavior_impl_mac.mm",
     "websharedworker_proxy.cc",
@@ -485,8 +485,8 @@ target(link_target_type, "renderer") {
 
   if (is_mac) {
     sources -= [
-      "webscrollbarbehavior_impl_gtkoraura.cc",
-      "webscrollbarbehavior_impl_gtkoraura.h",
+      "webscrollbarbehavior_impl_aura.cc",
+      "webscrollbarbehavior_impl_aura.h",
     ]
   }