PlzNavigate: Speculatively spawns a renderer process for navigations.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 5ec31a02c05612ac3f3807e8b0e0ed9d560352f4..45094d11e12285573df083b67b2294319c8b0990 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -3906,8 +3906,8 @@ WebPreferences WebContentsImpl::ComputeWebkitPrefs() {
 
 int WebContentsImpl::CreateSwappedOutRenderView(
     SiteInstance* instance) {
-  return GetRenderManager()->CreateRenderFrame(
-      instance, MSG_ROUTING_NONE, true, true, true);
+  return GetRenderManager()->CreateSwappedOutHiddenRenderFrame(

[nasko, 2014/11/19 01:00:24]

Please rebase on top of crrev.com/304494.

[carlosk, 2014/11/19 17:24:29]

Already done locally.

[carlosk, 2014/11/21 14:36:34]

Done.

+      instance, MSG_ROUTING_NONE, true);
 }
 
 void WebContentsImpl::OnUserGesture() {
@@ -4079,8 +4079,8 @@ int WebContentsImpl::CreateOpenerRenderViews(SiteInstance* instance) {
 
   // Create a swapped out RenderView in the given SiteInstance if none exists,
   // setting its opener to the given route_id.  Return the new view's route_id.
-  return GetRenderManager()->CreateRenderFrame(
-      instance, opener_route_id, true, true, true);
+  return GetRenderManager()->CreateSwappedOutHiddenRenderFrame(
+      instance, opener_route_id, true);
 }
 
 NavigationControllerImpl& WebContentsImpl::GetControllerForRenderManager() {