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

chrome/browser/chromeos/media/media_player.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/chromeos/media/media_player.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 176 matching lines @@
 
   Profile* profile = BrowserList::GetLastActive()->profile();
   playlist_browser_ = Browser::CreateForApp(Browser::TYPE_PANEL,
                                             kMediaPlayerAppName,
                                             gfx::Rect(),
                                             profile);
   registrar_.Add(this,
                  chrome::NOTIFICATION_BROWSER_CLOSED,
                  Source<Browser>(playlist_browser_));
   playlist_browser_->AddSelectedTabWithURL(GetMediaplayerPlaylistUrl(),
-                                           PageTransition::LINK);
+                                           content::PAGE_TRANSITION_LINK);
   playlist_browser_->window()->SetBounds(gfx::Rect(kPopupLeft,
                                                    kPopupTop,
                                                    kPopupWidth,
                                                    kPopupHeight));
   playlist_browser_->window()->Show();
 }
 
 void MediaPlayer::PopupMediaPlayer(Browser* creator) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(
@@ skipping 20 matching lines @@
   if (creator) {
     chromeos::PanelBrowserView* creatorview =
         static_cast<chromeos::PanelBrowserView*>(creator->window());
     chromeos::PanelBrowserView* view =
         static_cast<chromeos::PanelBrowserView*>(
             mediaplayer_browser_->window());
     view->SetCreatorView(creatorview);
   }
 #endif
   mediaplayer_browser_->AddSelectedTabWithURL(GetMediaPlayerUrl(),
-                                              PageTransition::LINK);
+                                              content::PAGE_TRANSITION_LINK);
   mediaplayer_browser_->window()->SetBounds(gfx::Rect(kPopupLeft,
                                                       kPopupTop,
                                                       kPopupWidth,
                                                       kPopupHeight));
   mediaplayer_browser_->window()->Show();
 }
 
 net::URLRequestJob* MediaPlayer::MaybeIntercept(net::URLRequest* request) {
   // Don't attempt to intercept here as we want to wait until the mime
   // type is fully determined.
@@ skipping 45 matching lines @@
 
 MediaPlayer::MediaPlayer()
     : current_position_(0),
       pending_playback_request_(false),
       playlist_browser_(NULL),
       mediaplayer_browser_(NULL) {
   for (size_t i = 0; i < arraysize(supported_mime_type_list); ++i) {
     supported_mime_types_.insert(supported_mime_type_list[i]);
   }
 };