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

chrome/browser/ui/webui/html_dialog_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 CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_
 #define CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "content/browser/tab_contents/tab_contents_delegate.h"
@@ skipping 18 matching lines @@
 
   // Calling this causes all following events sent from the
   // TabContents object to be ignored.  It also makes all following
   // calls to profile() return NULL.
   void Detach();
 
   // TabContentsDelegate declarations.
 
   // Deprecated. Use two-arguments variant 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) 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 AddNewContents(TabContents* source,
                               TabContents* new_contents,
                               WindowOpenDisposition disposition,
                               const gfx::Rect& initial_pos,
                               bool user_gesture);
   virtual bool IsPopup(const TabContents* source) const;
   virtual bool ShouldAddNavigationToHistory(
       const history::HistoryAddPageArgs& add_page_args,
       NavigationType::Type navigation_type);
 
  private:
   Profile* profile_;  // Weak pointer.  Always an original profile.
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_