Add pending preloads indexed by routing id. Start preloading once we navigate.

chrome/browser/prerender/prerender_contents.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/prerender/prerender_contents.h"
 
 #include "base/process_util.h"
 #include "base/task.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/background_contents_service.h"
@@ skipping 125 matching lines @@
 
   ViewMsg_Navigate_Params params;
   params.url = prerender_url_;
   params.transition = PageTransition::LINK;
   params.navigation_type = ViewMsg_Navigate_Params::PRERENDER;
   params.referrer = referrer_;
 
   render_view_host_->Navigate(params);
 }
 
+bool PrerenderContents::child_id(int* child_id) const {
+  CHECK(child_id);
+  if (render_view_host_) {
+    *child_id = render_view_host_->process()->id();
+    return true;
+  }
+  return false;
+}
+
+bool PrerenderContents::route_id(int* route_id) const {
+  CHECK(route_id);
+  if (render_view_host_) {
+    *route_id = render_view_host_->routing_id();
+    return true;
+  }
+  return false;
+}
+
 void PrerenderContents::set_final_status(FinalStatus final_status) {
   DCHECK(final_status >= FINAL_STATUS_USED && final_status < FINAL_STATUS_MAX);
   DCHECK_EQ(FINAL_STATUS_MAX, final_status_);
 
   final_status_ = final_status;
 }
 
 FinalStatus PrerenderContents::final_status() const {
   return final_status_;
 }
@@ skipping 312 matching lines @@
     return;
 
   size_t private_bytes, shared_bytes;
   if (metrics->GetMemoryBytes(&private_bytes, &shared_bytes)) {
     if (private_bytes > kMaxPrerenderPrivateMB * 1024 * 1024)
       Destroy(FINAL_STATUS_MEMORY_LIMIT_EXCEEDED);
   }
 }
 
 }  // namespace prerender