Implement RunFileChooser for ExtensionHost, so that file input elements work in

chrome/browser/extensions/extension_host.cc

 // Copyright (c) 2011 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/extensions/extension_host.h"
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/memory/singleton.h"
@@ skipping 445 matching lines @@
   // RVH. There is sometimes a small gap between the pending RVH being deleted
   // and RenderViewCreated being called, so we update it here.
   if (render_view_host == render_view_host_)
     render_view_host_ = host_contents_->render_view_host();
 }
 
 content::JavaScriptDialogCreator* ExtensionHost::GetJavaScriptDialogCreator() {
   return GetJavaScriptDialogCreatorInstance();
 }
 
+void ExtensionHost::RunFileChooser(TabContents* tab,
+                                   const content::FileChooserParams& params) {
+  Browser::RunFileChooserHelper(tab, params);
+}
+
 void ExtensionHost::AddNewContents(TabContents* source,
                                    TabContents* new_contents,
                                    WindowOpenDisposition disposition,
                                    const gfx::Rect& initial_pos,
                                    bool user_gesture) {
   // TODO(mpcomplete): is all this necessary? Maybe we can just call the
   // brower's delegate, and fall back to browser::Navigate if browser is NULL.
   TabContents* contents = new_contents;
   if (!contents)
     return;
@@ skipping 48 matching lines @@
   browser->AddTabContents(contents, disposition, initial_pos, user_gesture);
 }
 
 
 void ExtensionHost::RenderViewReady() {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_HOST_CREATED,
       content::Source<Profile>(profile_),
       content::Details<ExtensionHost>(this));
 }