Move PageTransition into content namespace. While I'm touching all these files, I've also updated...

chrome/browser/history/expire_history_backend_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 <string>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
@@ skipping 237 matching lines @@
   VisitRow visit_row2;
   visit_row2.url_id = url_ids[1];
   visit_row2.visit_time = visit_times[1];
   visit_row2.is_indexed = true;
   main_db_->AddVisit(&visit_row2, SOURCE_BROWSED);
 
   VisitRow visit_row3;
   visit_row3.url_id = url_ids[1];
   visit_row3.visit_time = visit_times[2];
   visit_row3.is_indexed = true;
-  visit_row3.transition = PageTransition::TYPED;
+  visit_row3.transition = content::PAGE_TRANSITION_TYPED;
   main_db_->AddVisit(&visit_row3, SOURCE_BROWSED);
 
   VisitRow visit_row4;
   visit_row4.url_id = url_ids[2];
   visit_row4.visit_time = visit_times[3];
   visit_row4.is_indexed = true;
   main_db_->AddVisit(&visit_row4, SOURCE_BROWSED);
 
   // Full text index for each visit.
   text_db_->AddPageData(url_row1.url(), visit_row1.url_id, visit_row1.visit_id,
@@ skipping 21 matching lines @@
   Time last_visit_time = Time::Now();
   // Add one URL.
   URLRow url_row1(url);
   url_row1.set_last_visit(last_visit_time);
   url_row1.set_visit_count(4);
   URLID url_id = main_db_->AddURL(url_row1);
   *id = url_id;
 
   // Four times for each visit.
   VisitRow visit_row1(url_id, last_visit_time - TimeDelta::FromDays(4), 0,
-                      PageTransition::TYPED, 0);
+                      content::PAGE_TRANSITION_TYPED, 0);
   main_db_->AddVisit(&visit_row1, SOURCE_SYNCED);
 
   VisitRow visit_row2(url_id, last_visit_time - TimeDelta::FromDays(3), 0,
-                      PageTransition::TYPED, 0);
+                      content::PAGE_TRANSITION_TYPED, 0);
   main_db_->AddVisit(&visit_row2, SOURCE_BROWSED);
 
   VisitRow visit_row3(url_id, last_visit_time - TimeDelta::FromDays(2), 0,
-                      PageTransition::TYPED, 0);
+                      content::PAGE_TRANSITION_TYPED, 0);
   main_db_->AddVisit(&visit_row3, SOURCE_EXTENSION);
 
-  VisitRow visit_row4(url_id, last_visit_time, 0, PageTransition::TYPED, 0);
+  VisitRow visit_row4(
+      url_id, last_visit_time, 0, content::PAGE_TRANSITION_TYPED, 0);
   main_db_->AddVisit(&visit_row4, SOURCE_FIREFOX_IMPORTED);
 }
 
 bool ExpireHistoryTest::HasFavicon(FaviconID favicon_id) {
   if (!thumb_db_.get() || favicon_id == 0)
     return false;
   Time last_updated;
   std::vector<unsigned char> icon_data_unused;
   GURL icon_url;
   return thumb_db_->GetFavicon(favicon_id, &last_updated, &icon_data_unused,
@@ skipping 591 matching lines @@
   main_db_->GetVisitsForURL(url_id, &archived_visits);
   EXPECT_EQ(0U, archived_visits.size());
 }
 
 // TODO(brettw) add some visits with no URL to make sure everything is updated
 // properly. Have the visits also refer to nonexistent FTS rows.
 //
 // Maybe also refer to invalid favicons.
 
 }  // namespace history