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

chrome/browser/ui/blocked_content/blocked_content_container.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.
 
 // Defines the public interface for the blocked content (including popup)
 // notifications. This interface should only be used by the
 // BlockedContentTabHelper. Users and subclasses of TabContents/
 // TabContentsWrapper should use the appropriate methods on
 // BlockedContentTabHelper to access information about blocked content.
 
@@ skipping 45 matching lines @@
 
   // Overridden from TabContentsDelegate:
 
   // Forwards OpenURLFromTab to our |owner_|.
   // Deprecated. Please use the two-arguments variant.
   // TODO(adriansc): Remove method once refactoring changed all call sites.
   virtual TabContents* OpenURLFromTab(
       TabContents* source,
       const GURL& url, const GURL& referrer,
       WindowOpenDisposition disposition,
-      PageTransition::Type transition) OVERRIDE;
+      content::PageTransition transition) OVERRIDE;
   virtual TabContents* OpenURLFromTab(TabContents* source,
                                       const OpenURLParams& params);
 
   // Forwards AddNewContents to our |owner_|.
   virtual void AddNewContents(TabContents* source,
                               TabContents* new_contents,
                               WindowOpenDisposition disposition,
                               const gfx::Rect& initial_position,
                               bool user_gesture);
 
@@ skipping 22 matching lines @@
   // The TabContents that owns and constrains this BlockedContentContainer.
   TabContentsWrapper* owner_;
 
   // Information about all blocked contents.
   BlockedContents blocked_contents_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(BlockedContentContainer);
 };
 
 #endif  // CHROME_BROWSER_UI_BLOCKED_CONTENT_BLOCKED_CONTENT_CONTAINER_H_