browser: Move FindBrowserWithWebContents() into chrome namespace.

chrome/browser/ui/pdf/pdf_tab_helper.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/ui/pdf/pdf_tab_helper.h"
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/omnibox/location_bar.h"
@@ skipping 31 matching lines @@
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {
   if (open_in_reader_prompt_.get() &&
       open_in_reader_prompt_->ShouldExpire(details)) {
     open_in_reader_prompt_.reset();
     UpdateLocationBar();
   }
 }
 
 void PDFTabHelper::UpdateLocationBar() {
-  Browser* browser = browser::FindBrowserWithWebContents(web_contents());
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents());
   if (!browser)
     return;
 
   BrowserWindow* window = browser->window();
   if (!window)
     return;
 
   LocationBar* location_bar = window->GetLocationBar();
   if (!location_bar)
     return;
 
   location_bar->UpdateOpenPDFInReaderPrompt();
 }
 
 void PDFTabHelper::OnPDFHasUnsupportedFeature() {
   PDFHasUnsupportedFeature(web_contents());
 }