Revert of Prerender: Disable prefetch if there's an appcache.

third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp

Index: third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp b/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
index e789a2c9b807d0a5d8e8c10868f5f5404a77b5c9..8d547ddac7ced7b1931964db98ce1da9afc05b39 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
@@ -883,10 +883,6 @@
   const SegmentedString source(inputSource);
 
   if (document()->isPrefetchOnly()) {
-    // Do not prefetch if there is an appcache.
-    if (document()->loader()->response().appCacheID() != 0)
-      return;
-
     if (!m_preloadScanner)
       m_preloadScanner = createPreloadScanner();