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

chrome/browser/sessions/session_types.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/sessions/session_types.h"
 
 #include "base/string_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "content/browser/tab_contents/navigation_controller.h"
 #include "content/browser/tab_contents/navigation_entry.h"
 
 // TabNavigation --------------------------------------------------------------
 
 TabNavigation::TabNavigation()
-    : transition_(PageTransition::TYPED),
+    : transition_(content::PAGE_TRANSITION_TYPED),
       type_mask_(0),
       index_(-1) {
 }
 
 TabNavigation::TabNavigation(int index,
                              const GURL& virtual_url,
                              const GURL& referrer,
                              const string16& title,
                              const std::string& state,
-                             PageTransition::Type transition)
+                             content::PageTransition transition)
     : virtual_url_(virtual_url),
       referrer_(referrer),
       title_(title),
       state_(state),
       transition_(transition),
       type_mask_(0),
       index_(index) {
 }
 
 TabNavigation::TabNavigation(const TabNavigation& tab)
@@ skipping 21 matching lines @@
 }
 
 // static
 NavigationEntry* TabNavigation::ToNavigationEntry(int page_id,
                                                   Profile *profile) const {
   NavigationEntry* entry = NavigationController::CreateNavigationEntry(
       virtual_url_,
       referrer_,
       // Use a transition type of reload so that we don't incorrectly
       // increase the typed count.
-      PageTransition::RELOAD,
+      content::PAGE_TRANSITION_RELOAD,
       // The extra headers are not sync'ed across sessions.
       std::string(),
       profile);
 
   entry->set_page_id(page_id);
   entry->set_title(title_);
   entry->set_content_state(state_);
   entry->set_has_post_data(type_mask_ & TabNavigation::HAS_POST_DATA);
 
   return entry;
@@ skipping 36 matching lines @@
 SessionWindow::SessionWindow()
     : selected_tab_index(-1),
       type(Browser::TYPE_TABBED),
       is_constrained(true),
       show_state(ui::SHOW_STATE_DEFAULT) {
 }
 
 SessionWindow::~SessionWindow() {
   STLDeleteElements(&tabs);
 }