Track pending WebContents and widgets by (process_id, routing_id) pair.

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 c457e2c339f50a4ca165710470be9a12f0d3b7df..669564827dedc4a8f80965184854d385ecaf33f2 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -968,19 +968,19 @@ void RenderViewHostImpl::OnShowView(int route_id,
                                     WindowOpenDisposition disposition,
                                     const gfx::Rect& initial_rect,
                                     bool user_gesture) {
-  delegate_->ShowCreatedWindow(route_id, disposition, initial_rect,
-                               user_gesture);
+  delegate_->ShowCreatedWindow(GetProcess()->GetID(), route_id, disposition,
+                               initial_rect, user_gesture);
   Send(new ViewMsg_Move_ACK(route_id));
 }
 
 void RenderViewHostImpl::OnShowWidget(int route_id,
                                       const gfx::Rect& initial_rect) {
-  delegate_->ShowCreatedWidget(route_id, initial_rect);
+  delegate_->ShowCreatedWidget(GetProcess()->GetID(), route_id, initial_rect);
   Send(new ViewMsg_Move_ACK(route_id));
 }
 
 void RenderViewHostImpl::OnShowFullscreenWidget(int route_id) {
-  delegate_->ShowCreatedFullscreenWidget(route_id);
+  delegate_->ShowCreatedFullscreenWidget(GetProcess()->GetID(), route_id);
   Send(new ViewMsg_Move_ACK(route_id));
 }