MacViews: Rename files to avoid duplicate basename conflicts.

chrome/browser/ui/cocoa/pdf_password_dialog_cocoa.mm

 // Copyright 2013 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 121 matching lines @@
 
 @end
 
 void ShowPDFPasswordDialog(content::WebContents* web_contents,
                            const base::string16& prompt,
                            const pdf::PasswordDialogClosedCallback& callback) {
   [[PDFPasswordDialogMac alloc] initWithWebContents:web_contents
                                              prompt:prompt
                                            callback:callback];
 }