[OfflinePages] Improve visiblity/handling of "Loading not started" case

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 1a973b8045443d7ccfd369bd22e71318b7b22284..f6e1b6e435b50bdf91776f1b4446b41b388834fe 100644
--- a/chrome/browser/android/offline_pages/prerendering_loader.cc
+++ b/chrome/browser/android/offline_pages/prerendering_loader.cc
@@ -95,8 +95,6 @@ bool PrerenderingLoader::LoadPage(const GURL& url,
         << "WARNING: Existing request in progress or waiting for StopLoading()";
     return false;
   }
-  if (!CanPrerender())
-    return false;
 
   // Create a WebContents instance to define and hold a SessionStorageNamespace
   // for this load request.
@@ -128,11 +126,6 @@ void PrerenderingLoader::StopLoading() {
   CancelPrerender();
 }
 
-bool PrerenderingLoader::CanPrerender() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  return adapter_->CanPrerender();
-}
-
 bool PrerenderingLoader::IsIdle() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   return state_ == State::IDLE;