Change WebContentsDelegate::RunFileChooser to be frame based.

extensions/shell/browser/shell_app_delegate.cc

 // Copyright 2014 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 "extensions/shell/browser/shell_app_delegate.h"
 
 #include "content/public/browser/web_contents.h"
 #include "extensions/common/constants.h"
 #include "extensions/shell/browser/media_capture_util.h"
 #include "extensions/shell/browser/shell_extension_web_contents_observer.h"
@@ skipping 40 matching lines @@
 }
 
 content::ColorChooser* ShellAppDelegate::ShowColorChooser(
     content::WebContents* web_contents,
     SkColor initial_color) {
   NOTIMPLEMENTED();
   return NULL;
 }
 
 void ShellAppDelegate::RunFileChooser(
-    content::WebContents* tab,
+    content::RenderFrameHost* render_frame_host,
     const content::FileChooserParams& params) {
   NOTIMPLEMENTED();
 }
 
 void ShellAppDelegate::RequestMediaAccessPermission(
     content::WebContents* web_contents,
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback,
     const extensions::Extension* extension) {
   media_capture_util::GrantMediaStreamRequest(
@@ skipping 23 matching lines @@
     content::WebContents* web_contents) {
   return true;
 }
 
 void ShellAppDelegate::SetTerminatingCallback(const base::Closure& callback) {
   // TODO(jamescook): Should app_shell continue to close the app window
   // manually or should it use a browser termination callback like Chrome?
 }
 
 }  // namespace extensions