Cancel prerenders for pages that call window.print()

chrome/browser/prerender/prerender_render_view_host_observer.cc

Index: chrome/browser/prerender/prerender_render_view_host_observer.cc
diff --git a/chrome/browser/prerender/prerender_render_view_host_observer.cc b/chrome/browser/prerender/prerender_render_view_host_observer.cc
index fe297a8f0ece5b02b61e71f81958a12f6401355e..aac0d6a155cd20e05d3e6e9e1596ce53ff6cb9d9 100644
--- a/chrome/browser/prerender/prerender_render_view_host_observer.cc
+++ b/chrome/browser/prerender/prerender_render_view_host_observer.cc
@@ -41,6 +41,8 @@ bool PrerenderRenderViewHostObserver::OnMessageReceived(
     IPC_MESSAGE_HANDLER(ViewHostMsg_RunJavaScriptMessage,
                         OnRunJavaScriptMessage)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RenderViewGone, OnRenderViewGone)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_CancelPrerenderForPrinting,
+                        OnCancelPrerenderForPrinting)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
@@ -97,7 +99,11 @@ void PrerenderRenderViewHostObserver::OnUpdateFaviconURL(
 }
 
 void PrerenderRenderViewHostObserver::OnMaybeCancelPrerenderForHTML5Media() {
-  prerender_contents_->OnMaybeCancelPrerenderForHTML5Media();
+  prerender_contents_->Destroy(FINAL_STATUS_HTML5_MEDIA);
+}
+
+void PrerenderRenderViewHostObserver::OnCancelPrerenderForPrinting() {
+  prerender_contents_->Destroy(FINAL_STATUS_WINDOW_PRINT);
 }
 
 }