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

content/browser/tab_contents/tab_contents_delegate.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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 #pragma once
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "content/browser/tab_contents/navigation_entry.h"
 #include "content/common/content_export.h"
 #include "content/common/navigation_types.h"
-#include "content/common/page_transition_types.h"
+#include "content/public/common/page_transition_types.h"
 #include "ui/gfx/native_widget_types.h"
 #include "webkit/glue/window_open_disposition.h"
 
 namespace content {
 class BrowserContext;
 class JavaScriptDialogCreator;
 }
 
 namespace gfx {
 class Point;
@@ skipping 34 matching lines @@
   // OpenURL() for these cases which does it for you).
 
   // Returns the TabContents the URL is opened in, or NULL if the URL wasn't
   // opened immediately.
   // Deprecated. Please use the two-arguments method instead.
   // TODO(adriansc): Remove this method once refactoring changed all call sites.
   virtual TabContents* OpenURLFromTab(TabContents* source,
                                       const GURL& url,
                                       const GURL& referrer,
                                       WindowOpenDisposition disposition,
-                                      PageTransition::Type transition);
+                                      content::PageTransition transition);
 
   virtual TabContents* OpenURLFromTab(TabContents* source,
                                       const OpenURLParams& params);
 
   // Called to inform the delegate that the tab content's navigation state
   // changed. The |changed_flags| indicates the parts of the navigation state
   // that have been updated, and is any combination of the
   // |TabContents::InvalidateTypes| bits.
   virtual void NavigationStateChanged(const TabContents* source,
                                       unsigned changed_flags);
@@ skipping 276 matching lines @@
   void Attach(TabContents* source);
 
   // Called when |this| is no longer the TabContentsDelegate for |source|.
   void Detach(TabContents* source);
 
   // The TabContents that this is currently a delegate for.
   std::set<TabContents*> attached_contents_;
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_