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

chrome/browser/printing/print_preview_tab_controller.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/printing/print_preview_tab_controller.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
@@ skipping 178 matching lines @@
 
   ResetPreviewTabOverrideTitle(preview_tab);
   RemoveObservers(tab);
 }
 
 void PrintPreviewTabController::OnNavEntryCommitted(
     TabContentsWrapper* tab, content::LoadCommittedDetails* details) {
   TabContentsWrapper* preview_tab = GetPrintPreviewForTab(tab);
   bool source_tab_is_preview_tab = (tab == preview_tab);
   if (details) {
-    PageTransition::Type transition_type = details->entry->transition_type();
+    content::PageTransition transition_type = details->entry->transition_type();
     NavigationType::Type nav_type = details->type;
 
     // Don't update/erase the map entry if the page has not changed.
-    if (transition_type == PageTransition::RELOAD ||
+    if (transition_type == content::PAGE_TRANSITION_RELOAD ||
         nav_type == NavigationType::SAME_PAGE) {
       if (source_tab_is_preview_tab)
         SetInitiatorTabURLAndTitle(preview_tab);
       return;
     }
 
     // New |preview_tab| is created. Don't update/erase map entry.
     if (waiting_for_new_preview_page_ &&
-        transition_type == PageTransition::LINK &&
+        transition_type == content::PAGE_TRANSITION_LINK &&
         nav_type == NavigationType::NEW_PAGE &&
         source_tab_is_preview_tab) {
       waiting_for_new_preview_page_ = false;
       SetInitiatorTabURLAndTitle(preview_tab);
       return;
     }
 
     // User navigated to a preview tab using forward/back button.
     if (source_tab_is_preview_tab &&
-        transition_type == PageTransition::FORWARD_BACK &&
+        transition_type == content::PAGE_TRANSITION_FORWARD_BACK &&
         nav_type == NavigationType::EXISTING_PAGE) {
       return;
     }
   }
 
   RemoveObservers(tab);
   ResetPreviewTabOverrideTitle(preview_tab);
   if (source_tab_is_preview_tab) {
     // Remove the initiator tab's observers before erasing the mapping.
     TabContentsWrapper* initiator_tab = GetInitiatorTab(tab);
@@ skipping 56 matching lines @@
         return NULL;
       }
     } else {
       return NULL;
     }
   }
 
   // Add a new tab next to initiator tab.
   browser::NavigateParams params(current_browser,
                                  GURL(chrome::kChromeUIPrintURL),
-                                 PageTransition::LINK);
+                                 content::PAGE_TRANSITION_LINK);
   params.disposition = NEW_FOREGROUND_TAB;
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kChromeFrame))
     params.disposition = NEW_POPUP;
 
   // For normal tabs, set the position as immediately to the right,
   // otherwise let the tab strip decide.
   if (current_browser->is_type_tabbed()) {
     params.tabstrip_index = current_browser->tabstrip_model()->
         GetIndexOfTabContents(initiator_tab) + 1;
   }
@@ skipping 55 matching lines @@
   RenderProcessHost* rph = tab->render_view_host()->process();
   if (registrar_.IsRegistered(this,
                               content::NOTIFICATION_RENDERER_PROCESS_CLOSED,
                               Source<RenderProcessHost>(rph))) {
     registrar_.Remove(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED,
                       Source<RenderProcessHost>(rph));
   }
 }
 
 }  // namespace printing