summaryrefslogtreecommitdiffstats
path: root/content/browser/tab_contents/tab_contents.cc
diff options
context:
space:
mode:
Diffstat (limited to 'content/browser/tab_contents/tab_contents.cc')
-rw-r--r--content/browser/tab_contents/tab_contents.cc25
1 files changed, 21 insertions, 4 deletions
diff --git a/content/browser/tab_contents/tab_contents.cc b/content/browser/tab_contents/tab_contents.cc
index 1fdccbf..b14a4cc 100644
--- a/content/browser/tab_contents/tab_contents.cc
+++ b/content/browser/tab_contents/tab_contents.cc
@@ -596,12 +596,29 @@ bool TabContents::NavigateToEntry(
return true;
}
-void TabContents::SetHistoryLengthAndClear(int history_length) {
+void TabContents::SetHistoryLengthAndPrune(const SiteInstance* site_instance,
+ int history_length,
+ int32 minimum_page_id) {
+ // SetHistoryLengthAndPrune doesn't handle pending cross-site navigations
+ // cleanly. Since it's only used when swapping in instant and prerendered
+ // TabContents, checks are done at a higher level to ensure that the pages
+ // are not swapped in during this case.
+ if (render_manager_.pending_render_view_host()) {
+ NOTREACHED();
+ return;
+ }
RenderViewHost* rvh = render_view_host();
- if (!rvh)
+ if (!rvh) {
+ NOTREACHED();
return;
- rvh->Send(new ViewMsg_SetHistoryLengthAndClear(rvh->routing_id(),
- history_length));
+ }
+ if (site_instance && rvh->site_instance() != site_instance) {
+ NOTREACHED();
+ return;
+ }
+ rvh->Send(new ViewMsg_SetHistoryLengthAndPrune(rvh->routing_id(),
+ history_length,
+ minimum_page_id));
}
void TabContents::Stop() {