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

chrome/browser/prerender/prerender_resource_handler_unittest.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_resource_handler.h"
 #include "content/common/resource_response.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 92 matching lines @@
   virtual ~PrerenderResourceHandlerTest() {
     // When a ResourceHandler's reference count drops to 0, it is not
     // deleted immediately. Instead, a task is posted to the IO thread's
     // message loop to delete it.
     // So, drop the reference count to 0 and run the message loop once
     // to ensure that all resources are cleaned up before the test exits.
     pre_handler_ = NULL;
     loop_.RunAllPending();
   }
 
-  void SetLastHandledURL(const GURL& url, const std::vector<GURL>& alias_urls,
-                         const GURL& referrer) {
+  void SetLastHandledURL(const std::pair<int, int>& child_route_id_pair,
+                         const GURL& url, const std::vector<GURL>& alias_urls,
+                         const GURL& referrer, bool make_pending) {
     last_handled_url_ = url;
     alias_urls_ = alias_urls;
     referrer_ = referrer;
   }
 
   // Common logic shared by many of the tests
   void StartPrerendering(const std::string& mime_type,
                          const char* headers) {
     int request_id = 1;
     bool defer = false;
@@ skipping 87 matching lines @@
   EXPECT_FALSE(pre_handler_->OnRequestRedirected(kRequestId,
                                                  url_https,
                                                  NULL,
                                                  &defer));
   EXPECT_FALSE(defer);
 }
 
 }  // namespace
 
 }  // namespace prerender