Remove unused / unnecessary stuff from Instant.

chrome/browser/ui/browser_instant_controller.cc

 // 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.
 
 #include "chrome/browser/ui/browser_instant_controller.h"
 
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/instant/instant_controller.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ skipping 41 matching lines @@
   // to handle them. If you hit this DCHECK file a bug and I'll (sky) add
   // support for the new disposition.
   DCHECK(disposition == CURRENT_TAB ||
          disposition == NEW_FOREGROUND_TAB) << disposition;
 
   instant_->CommitCurrentPreview(disposition == CURRENT_TAB ?
       INSTANT_COMMIT_PRESSED_ENTER : INSTANT_COMMIT_PRESSED_ALT_ENTER);
   return true;
 }
 
-////////////////////////////////////////////////////////////////////////////////
-// BrowserInstantController, InstantControllerDelegate implementation:
-
 void BrowserInstantController::CommitInstant(TabContents* preview,
                                              bool in_new_tab) {
   if (in_new_tab) {
     // TabStripModel takes ownership of |preview|.
     browser_->tab_strip_model()->AddTabContents(preview, -1,
         instant_->last_transition_type(), TabStripModel::ADD_ACTIVE);
   } else {
     TabContents* active_tab = chrome::GetActiveTabContents(browser_);
     int index = browser_->tab_strip_model()->GetIndexOfTabContents(active_tab);
     DCHECK_NE(TabStripModel::kNoTab, index);
@@ skipping 71 matching lines @@
           InstantController::CreateInstant(browser_->profile(), this) : NULL);
 
   // Notify any observers that they need to reset.
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_BROWSER_INSTANT_RESET,
       content::Source<BrowserInstantController>(this),
       content::NotificationService::NoDetails());
 }
 
 }  // namespace chrome