browser: Move FindBrowserWithWebContents() into chrome namespace.

chrome/browser/managed_mode/managed_mode_navigation_observer.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/managed_mode/managed_mode_navigation_observer.h"
 
 #include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/managed_mode/managed_mode.h"
 #include "chrome/browser/managed_mode/managed_mode_url_filter.h"
@@ skipping 39 matching lines @@
       &web_contents->GetController();
   if (controller->CanGoBack()) {
     controller->GoBack();
     return;
   }
 
   // If we can't go back (because we opened a new tab), try to close the tab.
   // If this is the last tab, open a new window.
   if (BrowserList::size() == 1) {
     Browser* browser = *(BrowserList::begin());
-    DCHECK(browser == browser::FindBrowserWithWebContents(web_contents));
+    DCHECK(browser == chrome::FindBrowserWithWebContents(web_contents));
     if (browser->tab_count() == 1)
       chrome::NewEmptyWindow(browser->profile());
   }
 
   web_contents->GetDelegate()->CloseContents(web_contents);
 }
 
 ManagedModeWarningInfobarDelegate::ManagedModeWarningInfobarDelegate(
     InfoBarTabHelper* infobar_tab_helper)
     : ConfirmInfoBarDelegate(infobar_tab_helper) {}
@@ skipping 77 matching lines @@
   } else {
     if (warn_infobar_delegate_) {
       InfoBarTabHelper* infobar_tab_helper =
           InfoBarTabHelper::FromWebContents(web_contents());
       infobar_tab_helper->RemoveInfoBar(warn_infobar_delegate_);
       warn_infobar_delegate_= NULL;
     }
   }
 
 }