Add new prerender origin type for <link rel=next ...> launched prerenders.

chrome/browser/prerender/prerender_unittest.cc

 // Copyright (c) 2012 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 <map>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/format_macros.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 841 matching lines @@
   EXPECT_EQ(null, prerender_manager()->FindEntry(url));
 }
 
 // Tests that prerendering does launch rel=next prerenders with the field trial.
 TEST_F(PrerenderTest, RelNextByFieldTrial) {
   ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("PrerenderRelNextTrial",
                                                      "Yes"));
   GURL url("http://www.google.com/");
   DummyPrerenderContents* prerender_contents =
       prerender_manager()->CreateNextPrerenderContents(
-          url, FINAL_STATUS_USED);
+          url, ORIGIN_LINK_REL_NEXT, FINAL_STATUS_USED);
 
   prerender_link_manager()->OnAddPrerender(
       kDefaultChildId, GetNextPrerenderID(), url, PrerenderRelTypeNext,
       Referrer(), kSize, kDefaultRenderViewRouteId);
   EXPECT_EQ(prerender_contents, prerender_manager()->FindAndUseEntry(url));
 }
 
 // Tests that prerendering is cancelled when we launch a second prerender of
 // the same target within a short time interval.
 TEST_F(PrerenderTest, RecentlyVisited) {
@@ skipping 681 matching lines @@
   CHECK(prerender_handle.get());
   EXPECT_TRUE(prerender_handle->IsPrerendering());
   EXPECT_TRUE(prerender_contents->prerendering_has_started());
   EXPECT_EQ(prerender_contents, prerender_handle->contents());
   EXPECT_EQ(ORIGIN_INSTANT, prerender_handle->contents()->origin());
   ASSERT_EQ(prerender_contents, prerender_manager()->FindAndUseEntry(url));
   EXPECT_FALSE(prerender_handle->IsPrerendering());
 }
 
 }  // namespace prerender