Prevent creation of gpu channels with no GPU on x86-64 windows

content/browser/renderer_host/gpu_message_filter.cc

Index: content/browser/renderer_host/gpu_message_filter.cc
diff --git a/content/browser/renderer_host/gpu_message_filter.cc b/content/browser/renderer_host/gpu_message_filter.cc
index 73f4077ead7c239b99db54d6312cdc061d155e05..95355b3e3e10905131d604658485d55663a2132a 100644
--- a/content/browser/renderer_host/gpu_message_filter.cc
+++ b/content/browser/renderer_host/gpu_message_filter.cc
@@ -44,6 +44,17 @@ void GpuMessageFilter::OnEstablishGpuChannel(
     IPC::Message* reply_ptr) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   scoped_ptr<IPC::Message> reply(reply_ptr);
+
+#if defined(OS_WIN) && defined(ARCH_CPU_X86_64)
+  // TODO(jbauman): Remove this when we know why renderer processes are
+  // hanging on x86-64. https://crbug.com/577127
+  if (!GpuDataManagerImpl::GetInstance()->CanUseGpuBrowserCompositor()) {
+    reply->set_reply_error();
+    Send(reply.release());
+    return;
+  }
+#endif
+
   GpuProcessHost* host = GpuProcessHost::FromID(gpu_process_id_);
   if (!host) {
     host = GpuProcessHost::Get(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,