Make a separate histogram for MatchComplete Final Status'es and

chrome/browser/prerender/prerender_manager_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 "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
 #include "base/time.h"
 #include "chrome/browser/prerender/prerender_contents.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_origin.h"
@@ skipping 428 matching lines @@
   EXPECT_TRUE(prerender_manager()->AddPrerenderFromLinkRelPrerender(
       child_id, route_id,
       pending_url, content::Referrer(url, WebKit::WebReferrerPolicyDefault)));
 
   EXPECT_TRUE(prerender_manager()->IsPendingEntry(pending_url));
   EXPECT_TRUE(prerender_contents->has_started());
   ASSERT_EQ(prerender_contents, prerender_manager()->GetEntry(url));
 }
 
 // Tests that a PrerenderManager created for a browser session in the control
-// group will not be able to override FINAL_STATUS_CONTROL_GROUP.
+// group works as expected.
 TEST_F(PrerenderManagerTest, ControlGroup) {
   RestorePrerenderMode restore_prerender_mode;
   PrerenderManager::SetMode(
       PrerenderManager::PRERENDER_MODE_EXPERIMENT_CONTROL_GROUP);
   GURL url("http://www.google.com/");
   DummyPrerenderContents* prerender_contents =
       prerender_manager()->CreateNextPrerenderContents(
           url,
-          FINAL_STATUS_CONTROL_GROUP);
+          FINAL_STATUS_MANAGER_SHUTDOWN);
   EXPECT_TRUE(prerender_manager()->AddSimplePrerender(url));
   EXPECT_FALSE(prerender_contents->has_started());
 }
 
+// Tests that a PrerenderManager created for a browser session in the control
+// group works as expected if the site gets visited.
+TEST_F(PrerenderManagerTest, ControlGroupVisited) {
+  RestorePrerenderMode restore_prerender_mode;
+  PrerenderManager::SetMode(
+      PrerenderManager::PRERENDER_MODE_EXPERIMENT_CONTROL_GROUP);
+  GURL url("http://www.google.com/");
+  DummyPrerenderContents* prerender_contents =
+      prerender_manager()->CreateNextPrerenderContents(
+          url,
+          FINAL_STATUS_WOULD_HAVE_BEEN_USED);
+  EXPECT_TRUE(prerender_manager()->AddSimplePrerender(url));
+  EXPECT_FALSE(prerender_contents->has_started());
+  ASSERT_EQ(prerender_contents, prerender_manager()->GetEntry(url));
+}
+
+// Tests that a PrerenderManager correctly handles the case of visitiung a page
+// when the NoUseGroup is enabled.
+TEST_F(PrerenderManagerTest, NoUseGroupVisited) {
+  RestorePrerenderMode restore_prerender_mode;
+  PrerenderManager::SetMode(
+      PrerenderManager::PRERENDER_MODE_EXPERIMENT_NO_USE_GROUP);
+  GURL url("http://www.google.com/");
+  DummyPrerenderContents* prerender_contents =
+      prerender_manager()->CreateNextPrerenderContents(
+          url,
+          FINAL_STATUS_WOULD_HAVE_BEEN_USED);
+  EXPECT_TRUE(prerender_manager()->AddSimplePrerender(url));
+  EXPECT_TRUE(prerender_contents->has_started());
+  ASSERT_EQ(prerender_contents, prerender_manager()->GetEntry(url));
+}
+
 // Tests that prerendering is cancelled when the source render view does not
 // exist.  On failure, the DCHECK in CreatePrerenderContents() above should be
 // triggered.
 TEST_F(PrerenderManagerTest, SourceRenderViewClosed) {
   GURL url("http://www.google.com/");
   prerender_manager()->CreateNextPrerenderContents(
       url,
       FINAL_STATUS_MANAGER_SHUTDOWN);
   EXPECT_FALSE(prerender_manager()->AddPrerenderFromLinkRelPrerender(
       100, 100, url, content::Referrer()));
@@ skipping 50 matching lines @@
           url,
           FINAL_STATUS_CACHE_OR_HISTORY_CLEARED);
   EXPECT_TRUE(prerender_manager()->AddSimplePrerender(url));
   EXPECT_TRUE(prerender_contents->has_started());
   prerender_manager()->ClearData(PrerenderManager::CLEAR_PRERENDER_CONTENTS);
   DummyPrerenderContents* null = NULL;
   EXPECT_EQ(null, prerender_manager()->GetEntry(url));
 }
 
 }  // namespace prerender