Remove PerBrowser launcher, reland step 1 of 2

ash/launcher/launcher.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 "ash/launcher/launcher.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "ash/focus_cycler.h"
@@ skipping 151 matching lines @@
   for (int i = 0; i < item_count && indexes_left >= 0; i++) {
     if (items[i].type != TYPE_APP_LIST) {
       found_index = i;
       indexes_left--;
     }
   }
 
   // There are two ways how found_index can be valid: a.) the nth item was
   // found (which is true when indexes_left is -1) or b.) the last item was
   // requested (which is true when index was passed in as a negative number).
-  if (found_index >= 0 && (indexes_left == -1 || item_index < 0) &&
-      (delegate_->IsPerAppLauncher() ||
-       (items[found_index].status == ash::STATUS_RUNNING ||
-        items[found_index].status == ash::STATUS_CLOSED))) {
+  if (found_index >= 0 && (indexes_left == -1 || item_index < 0)) {
     // Then set this one as active (or advance to the next item of its kind).
     ActivateLauncherItem(found_index);
   }
 }
 
 internal::LauncherView* Launcher::GetLauncherViewForTest() {
   return launcher_view_;
 }
 
 void Launcher::SetLauncherViewBounds(gfx::Rect bounds) {
   launcher_view_->SetBoundsRect(bounds);
 }
 
 gfx::Rect Launcher::GetLauncherViewBounds() const {
   return launcher_view_->bounds();
 }
 
 app_list::ApplicationDragAndDropHost* Launcher::GetDragAndDropHostForAppList() {
   return launcher_view_;
 }
 
 }  // namespace ash