From cbb14f5ca21666d54373dc98b713613a751bb5cc Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Tue, 5 Aug 2014 18:49:55 +0800
Subject: [PATCH] win: Disable the LegacyRenderWidgetHostHWND, fixes #506.

---
 atom/app/atom_main_delegate.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/atom/app/atom_main_delegate.cc b/atom/app/atom_main_delegate.cc
index e77814b06c..e8dbd0bd98 100644
--- a/atom/app/atom_main_delegate.cc
+++ b/atom/app/atom_main_delegate.cc
@@ -74,6 +74,13 @@ void AtomMainDelegate::PreSandboxStartup() {
   // Add a flag to mark the start of switches added by atom-shell.
   command_line->AppendSwitch("atom-shell-switches-start");
 
+#if defined(OS_WIN)
+  // Disable the LegacyRenderWidgetHostHWND, it made frameless windows unable
+  // to move and resize. We may consider enabling it again after upgraded to
+  // Chrome 38, which should have fixed the problem.
+  command_line->AppendSwitch(switches::kDisableLegacyIntermediateWindow);
+#endif
+
   // Disable renderer sandbox for most of node's functions.
   command_line->AppendSwitch(switches::kNoSandbox);