Skip the OnDomContentLoaded event, and only use the OnLoad event.

chrome/browser/android/offline_pages/prerendering_loader.cc

Index: chrome/browser/android/offline_pages/prerendering_loader.cc
diff --git a/chrome/browser/android/offline_pages/prerendering_loader.cc b/chrome/browser/android/offline_pages/prerendering_loader.cc
index 4e614eae249e006de213b16b82c27222076776ca..635010c03ec7f956676f49fc20a21b80eb30a607 100644
--- a/chrome/browser/android/offline_pages/prerendering_loader.cc
+++ b/chrome/browser/android/offline_pages/prerendering_loader.cc
@@ -130,11 +130,6 @@ void PrerenderingLoader::OnPrerenderDomContentLoaded() {
   if (!adapter_->GetWebContents()) {
     // Without a WebContents object at this point, we are done.
     HandleLoadingStopped();
-  } else {
-    // Inform SnapshotController of DomContentContent event so it can
-    // determine when to consider it really LOADED (e.g., some multiple
-    // second delay from this event).
-    snapshot_controller_->DocumentAvailableInMainFrame();
   }
 }