**NOTFORLANDING** New link rel=prerender API

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

Index: chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
diff --git a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
index c0da32104307c32e990f2357db435b0f90ecc7bf..724d8cf6f983155ec0cc4e9aebfb7158e6c822c8 100644
--- a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
+++ b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
@@ -15,7 +15,6 @@
 #include "chrome/browser/instant/instant_loader.h"
 #include "chrome/browser/net/load_timing_observer.h"
 #include "chrome/browser/prerender/prerender_manager.h"
-#include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/prerender/prerender_resource_throttle.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
 #include "chrome/browser/profiles/profile_io_data.h"
@@ -51,21 +50,6 @@ using content::ResourceRequestInfo;
 
 namespace {
 
-void AddPrerenderOnUI(
-    int render_process_id, int render_view_id,
-    const GURL& url, const content::Referrer& referrer) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  prerender::PrerenderManager* prerender_manager =
-      prerender::FindPrerenderManagerUsingRenderProcessId(render_process_id);
-  if (!prerender_manager || !prerender_manager->is_enabled())
-    return;
-
-  prerender_manager->AddPrerenderFromLinkRelPrerender(render_process_id,
-                                                      render_view_id,
-                                                      url,
-                                                      referrer);
-}
-
 void NotifyDownloadInitiatedOnUI(int render_process_id, int render_view_id) {
   RenderViewHost* rvh = RenderViewHost::FromID(render_process_id,
                                                render_view_id);
@@ -113,17 +97,6 @@ bool ChromeResourceDispatcherHostDelegate::ShouldBeginRequest(
       return false;
   }
 
-  // Handle a PRERENDER motivated request. Very similar to rel=prefetch, these
-  // rel=prerender requests instead launch an early render of the entire page.
-  if (resource_type == ResourceType::PRERENDER) {
-    if (prerender::PrerenderManager::IsPrerenderingPossible()) {
-      BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-          base::Bind(&AddPrerenderOnUI, child_id, route_id, url, referrer));
-    }
-    // Prerendering or not, this request should be aborted.
-    return false;
-  }
-
   // Abort any prerenders that spawn requests that use invalid HTTP methods.
   if (prerender_tracker_->IsPrerenderingOnIOThread(child_id, route_id) &&
       !prerender::PrerenderManager::IsValidHttpMethod(method)) {