mustash: enable GPU Compositing in renderer

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index 29e5e68ee0dfa15bfb5617239941f12eb815a91e..11bdbffb8a51aeed2918d9aed5538526e0ad5176 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -9,6 +9,8 @@
 #include <utility>
 #include <vector>
 
+#include "base/debug/stack_trace.h"
+
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
@@ -290,6 +292,7 @@ bool RenderViewHostImpl::CreateRenderView(
     int32 max_page_id,
     const FrameReplicationState& replicated_frame_state,
     bool window_was_created_with_opener) {
+  // base::debug::StackTrace().Print();
   TRACE_EVENT0("renderer_host,navigation",
                "RenderViewHostImpl::CreateRenderView");
   DCHECK(!IsRenderViewLive()) << "Creating view twice";