Pull the file picker code out of TabContents.

chrome/browser/ui/tab_contents/tab_contents_wrapper.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/ui/tab_contents/tab_contents_wrapper.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.h"
+#include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager_delegate_impl.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prerender/prerender_observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/simple_alert_infobar_delegate.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/search_engines/search_engine_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper_delegate.h"
 #include "chrome/common/pref_names.h"
@@ skipping 28 matching lines @@
   password_manager_.reset(
       new PasswordManager(contents, password_manager_delegate_.get()));
   search_engine_tab_helper_.reset(new SearchEngineTabHelper(contents));
 
   // Register for notifications about URL starredness changing on any profile.
   registrar_.Add(this, NotificationType::URLS_STARRED,
                  NotificationService::AllSources());
   registrar_.Add(this, NotificationType::BOOKMARK_MODEL_LOADED,
                  NotificationService::AllSources());
 
+  // Create the per-tab observers.
+  file_select_observer_.reset(new FileSelectObserver(contents));
   prerender_observer_.reset(new prerender::PrerenderObserver(contents));
 }
 
 TabContentsWrapper::~TabContentsWrapper() {
   // We don't want any notifications while we're running our destructor.
   registrar_.RemoveAll();
 }
 
 PropertyAccessor<TabContentsWrapper*>* TabContentsWrapper::property_accessor() {
   return g_tab_contents_wrapper_property_accessor.Pointer();
@@ skipping 185 matching lines @@
 }
 
 void TabContentsWrapper::UpdateStarredStateForCurrentURL() {
   BookmarkModel* model = tab_contents()->profile()->GetBookmarkModel();
   const bool old_state = is_starred_;
   is_starred_ = (model && model->IsBookmarked(tab_contents()->GetURL()));
 
   if (is_starred_ != old_state && delegate())
     delegate()->URLStarredChanged(this, is_starred_);
 }