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

chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk_interactive_uitest.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 <gtk/gtk.h>
 
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/gtk/view_id_util.h"
@@ skipping 18 matching lines @@
 // the findbar is above the floating bookmark bar.
 IN_PROC_BROWSER_TEST_F(BookmarkBarGtkInteractiveUITest, FindBarTest) {
   ASSERT_TRUE(test_server()->Start());
 
   // Create new tab; open findbar.
   browser()->NewTab();
   browser()->Find();
 
   // Create new tab with an arbitrary URL.
   GURL url = test_server()->GetURL(kSimplePage);
-  browser()->AddSelectedTabWithURL(url, PageTransition::TYPED);
+  browser()->AddSelectedTabWithURL(url, content::PAGE_TRANSITION_TYPED);
 
   // Switch back to the NTP with the active findbar.
   browser()->ActivateTabAt(1, false);
 
   // Wait for the findbar to show.
   MessageLoop::current()->RunAllPending();
 
   // Set focus somewhere else, so that we can test clicking on the findbar
   // works.
   browser()->FocusLocationBar();
@@ skipping 21 matching lines @@
   MessageLoop::current()->RunAllPending();
 
   // This is kind of a hack. Calling this just once doesn't seem to send a click
   // event, but doing it twice works.
   // http://crbug.com/35581
   ui_test_utils::ClickOnView(browser(), VIEW_ID_OTHER_BOOKMARKS);
   ui_test_utils::ClickOnView(browser(), VIEW_ID_OTHER_BOOKMARKS);
 
   EXPECT_TRUE(has_been_clicked);
 }