Add PrerenderResourceHandler and hook it into the ResourceDispatcherHost....

chrome/browser/renderer_host/resource_dispatcher_host.cc

Index: chrome/browser/renderer_host/resource_dispatcher_host.cc
diff --git a/chrome/browser/renderer_host/resource_dispatcher_host.cc b/chrome/browser/renderer_host/resource_dispatcher_host.cc
index 93749f344a27c552a064fd0959e57095d0952e0a..7a84fc6a865f7ec116bf45e2b31867bb5025dac6 100644
--- a/chrome/browser/renderer_host/resource_dispatcher_host.cc
+++ b/chrome/browser/renderer_host/resource_dispatcher_host.cc
@@ -31,6 +31,7 @@
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/net/url_request_tracking.h"
 #include "chrome/browser/plugin_service.h"
+#include "chrome/browser/prerender/prerender_resource_handler.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/async_resource_handler.h"
 #include "chrome/browser/renderer_host/buffered_resource_handler.h"
@@ -444,6 +445,15 @@ void ResourceDispatcherHost::BeginRequest(
     upload_size = request_data.upload_data->GetContentLength();
   }
 
+  // Install a PrerenderResourceHandler if the requested URL could
+  // be prerendered. This should be in front of the [a]syncResourceHandler,
+  // but after the BufferedResourceHandler since it depends on the MIME
+  // sniffing capabilities in the BufferedResourceHandler.
+  PrerenderResourceHandler* pre_handler = PrerenderResourceHandler::MaybeCreate(
+      *request, context, handler);
+  if (pre_handler)
+    handler = pre_handler;
+
   // Install a CrossSiteResourceHandler if this request is coming from a
   // RenderViewHost with a pending cross-site request.  We only check this for
   // MAIN_FRAME requests. Unblock requests only come from a blocked page, do