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

chrome/browser/ui/views/tabs/dragged_tab_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_DRAGGED_TAB_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_DRAGGED_TAB_CONTROLLER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 110 matching lines @@
     bool pinned;
   };
 
   typedef std::vector<TabDragData> DragData;
 
   // Sets |drag_data| from |tab|. This also registers for necessary
   // notifications and resets the delegate of the TabContentsWrapper.
   void InitTabDragData(BaseTab* tab, TabDragData* drag_data);
 
   // Overridden from TabContentsDelegate:
-  virtual TabContents* OpenURLFromTab(TabContents* source,
-                                      const GURL& url,
-                                      const GURL& referrer,
-                                      WindowOpenDisposition disposition,
-                                      PageTransition::Type transition) OVERRIDE;
+  virtual TabContents* OpenURLFromTab(
+      TabContents* source,
+      const GURL& url,
+      const GURL& referrer,
+      WindowOpenDisposition disposition,
+      content::PageTransition transition) OVERRIDE;
   virtual TabContents* OpenURLFromTab(TabContents* source,
                                       const OpenURLParams& params) OVERRIDE;
   virtual void NavigationStateChanged(const TabContents* source,
                                       unsigned changed_flags) OVERRIDE;
   virtual void AddNewContents(TabContents* source,
                               TabContents* new_contents,
                               WindowOpenDisposition disposition,
                               const gfx::Rect& initial_pos,
                               bool user_gesture) OVERRIDE;
   virtual void LoadingStateChanged(TabContents* source) OVERRIDE;
@@ skipping 226 matching lines @@
   // Index of the source tab in drag_data_.
   size_t source_tab_index_;
 
   // True until |MoveAttached| is invoked once.
   bool initial_move_;
 
   DISALLOW_COPY_AND_ASSIGN(DraggedTabController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_DRAGGED_TAB_CONTROLLER_H_