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

chrome/browser/google/google_url_tracker.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/google/google_url_tracker.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 56 matching lines @@
 
 string16 GoogleURLTrackerInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool GoogleURLTrackerInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
   owner()->tab_contents()->OpenURL(google_util::AppendGoogleLocaleParam(GURL(
       "https://www.google.com/support/chrome/bin/answer.py?answer=1618699")),
       GURL(), (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
-      PageTransition::LINK);
+      content::PAGE_TRANSITION_LINK);
   return false;
 }
 
 GoogleURLTrackerInfoBarDelegate::~GoogleURLTrackerInfoBarDelegate() {
   google_url_tracker_->InfoBarClosed();
 }
 
 string16 GoogleURLTrackerInfoBarDelegate::GetMessageText() const {
   return l10n_util::GetStringFUTF16(IDS_GOOGLE_URL_TRACKER_INFOBAR_MESSAGE,
                                     GetHost(true), GetHost(false));
@@ skipping 212 matching lines @@
 
 void GoogleURLTracker::RedoSearch() {
   //  Re-do the user's search on the new domain.
   DCHECK(controller_);
   url_canon::Replacements<char> replacements;
   replacements.SetHost(google_url_.host().data(),
                        url_parse::Component(0, google_url_.host().length()));
   GURL new_search_url(search_url_.ReplaceComponents(replacements));
   if (new_search_url.is_valid())
     controller_->tab_contents()->OpenURL(new_search_url, GURL(), CURRENT_TAB,
-                                         PageTransition::GENERATED);
+                                         content::PAGE_TRANSITION_GENERATED);
 }
 
 void GoogleURLTracker::Observe(int type,
                                const NotificationSource& source,
                                const NotificationDetails& details) {
   switch (type) {
     case content::NOTIFICATION_NAV_ENTRY_PENDING: {
       NavigationController* controller =
           Source<NavigationController>(source).ptr();
       OnNavigationPending(source, controller->pending_entry()->url());
@@ skipping 61 matching lines @@
 
   // |tab_contents| can be NULL during tests.
   InfoBarTabHelper* infobar_helper = NULL;
   if (tab_contents) {
     TabContentsWrapper* wrapper =
         TabContentsWrapper::GetCurrentWrapperForContents(tab_contents);
     infobar_helper = wrapper->infobar_tab_helper();
   }
   infobar_ = (*infobar_creator_)(infobar_helper, this, fetched_google_url_);
 }