chrome: Put browser_navigator.h into chrome namespace.

chrome/browser/instant/instant_unload_handler.cc

 // Copyright (c) 2012 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/instant/instant_unload_handler.h"
 
 #include <algorithm>
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
@@ skipping 76 matching lines @@
 
   // TODO: Decide if we really want false here; false is used for tab closes,
   // and is needed so that the tab correctly closes but it doesn't really match
   // what's logically happening.
   tab->web_contents()->GetRenderViewHost()->FirePageBeforeUnload(false);
 }
 
 void InstantUnloadHandler::Activate(WebContentsDelegateImpl* delegate) {
   // Take ownership of the TabContents from the delegate.
   TabContents* tab = delegate->ReleaseTab();
-  browser::NavigateParams params(browser_, tab);
+  chrome::NavigateParams params(browser_, tab);
   params.disposition = NEW_FOREGROUND_TAB;
   params.tabstrip_index = delegate->index();
 
   // Remove (and delete) the delegate.
   ScopedVector<WebContentsDelegateImpl>::iterator i =
       std::find(delegates_.begin(), delegates_.end(), delegate);
   DCHECK(i != delegates_.end());
   delegates_.erase(i);
   delegate = NULL;
 
   // Add the tab back in.
-  browser::Navigate(&params);
+  chrome::Navigate(&params);
 }
 
 void InstantUnloadHandler::Destroy(WebContentsDelegateImpl* delegate) {
   ScopedVector<WebContentsDelegateImpl>::iterator i =
       std::find(delegates_.begin(), delegates_.end(), delegate);
   DCHECK(i != delegates_.end());
   delegates_.erase(i);
 }