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

chrome/browser/ui/views/tabs/dragged_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/ui/views/tabs/dragged_tab_controller.h"
 
 #include <math.h>
 #include <set>
 
 #include "base/callback.h"
@@ skipping 392 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 // DraggedTabController, PageNavigator implementation:
 
 // TODO(adriansc): Remove this method once refactoring changed all call sites.
 TabContents* DraggedTabController::OpenURLFromTab(
     TabContents* source,
     const GURL& url,
     const GURL& referrer,
     WindowOpenDisposition disposition,
-    PageTransition::Type transition) {
+    content::PageTransition transition) {
   return OpenURLFromTab(source,
                         OpenURLParams(url, referrer, disposition, transition));
 }
 
 TabContents* DraggedTabController::OpenURLFromTab(TabContents* source,
                                                   const OpenURLParams& params) {
   if (source_tab_drag_data()->original_delegate) {
     OpenURLParams forward_params = params;
     if (params.disposition == CURRENT_TAB)
       forward_params.disposition = NEW_WINDOW;
@@ skipping 954 matching lines @@
 
 bool DraggedTabController::AreTabsConsecutive() {
   for (size_t i = 1; i < drag_data_.size(); ++i) {
     if (drag_data_[i - 1].source_model_index + 1 !=
         drag_data_[i].source_model_index) {
       return false;
     }
   }
   return true;
 }