Enabling page visibility api in the chrome browser.

chrome/browser/prerender/prerender_contents.cc

Index: chrome/browser/prerender/prerender_contents.cc
diff --git a/chrome/browser/prerender/prerender_contents.cc b/chrome/browser/prerender/prerender_contents.cc
index 9a2048a62f9855066f0c42265416950420074421..e8e14a375d8a96e2f92ffd92348aa0b4d90d266d 100644
--- a/chrome/browser/prerender/prerender_contents.cc
+++ b/chrome/browser/prerender/prerender_contents.cc
@@ -193,6 +193,7 @@ void PrerenderContents::StartPrerenderingOld(
   params.navigation_type = ViewMsg_Navigate_Type::NORMAL;
   params.referrer = referrer_;
   params.request_time = base::Time::Now();
+  params.is_hidden = true;
 
   render_view_host_->Navigate(params);
 }
@@ -559,6 +560,11 @@ RendererPreferences PrerenderContents::GetRendererPrefs(
   return preferences;
 }
 
+bool PrerenderContents::IsHidden() const {
+  // Always in a hidden state,

[brettw, 2011/05/18 22:11:38]

comma -> period.

[Shishir, 2011/05/20 03:48:19]

Done.

+  return true;
+}
+
 WebPreferences PrerenderContents::GetWebkitPrefs() {
   return RenderViewHostDelegateHelper::GetWebkitPrefs(profile_,
                                                       false);  // is_web_ui