Always keep a ChannelProxy alive in RenderProcessHostImpl

content/public/test/mock_render_process_host.cc

Index: content/public/test/mock_render_process_host.cc
diff --git a/content/public/test/mock_render_process_host.cc b/content/public/test/mock_render_process_host.cc
index b17d748c5fc150a5c5e91261008a92418a71564e..b6337d36c6e2b721fb8e00f099b25b76fe3b1bc2 100644
--- a/content/public/test/mock_render_process_host.cc
+++ b/content/public/test/mock_render_process_host.cc
@@ -95,9 +95,6 @@ void MockRenderProcessHost::SimulateCrash() {
   }
 }
 
-void MockRenderProcessHost::EnableSendQueue() {
-}
-
 bool MockRenderProcessHost::Init() {
   has_connection_ = true;
   remote_interfaces_.reset(new shell::InterfaceProvider);