Change WebContentsDelegate::RunFileChooser to be frame based.

content/public/browser/web_contents_delegate.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 323 matching lines @@
   // Called when color chooser should open. Returns the opened color chooser.
   // Returns nullptr if we failed to open the color chooser (e.g. when there is
   // a ColorChooserDialog already open on Windows). Ownership of the returned
   // pointer is transferred to the caller.
   virtual ColorChooser* OpenColorChooser(
       WebContents* web_contents,
       SkColor color,
       const std::vector<ColorSuggestion>& suggestions);
 
   // Called when a file selection is to be done.
-  virtual void RunFileChooser(WebContents* web_contents,
+  virtual void RunFileChooser(RenderFrameHost* render_frame_host,
                               const FileChooserParams& params) {}
 
   // Request to enumerate a directory.  This is equivalent to running the file
   // chooser in directory-enumeration mode and having the user select the given
   // directory.
   virtual void EnumerateDirectory(WebContents* web_contents,
                                   int request_id,
                                   const base::FilePath& path) {}
 
   // Shows a chooser for the user to select a nearby Bluetooth device. The
@@ skipping 186 matching lines @@
   // Called when |this| is no longer the WebContentsDelegate for |source|.
   void Detach(WebContents* source);
 
   // The WebContents that this is currently a delegate for.
   std::set<WebContents*> attached_contents_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_