Fix first page of app list not rendering in RTL.

ui/app_list/views/apps_grid_view.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 "ui/app_list/views/apps_grid_view.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 
@@ skipping 1165 matching lines @@
       target_slot = last_item_slot;
     }
   }
 
   int target_page = std::min(pagination_model_.total_pages() - 1,
                              std::max(selected.page + page_delta, 0));
   SetSelectedItemByIndex(Index(target_page, target_slot));
 }
 
 void AppsGridView::CalculateIdealBounds() {
+  // TODO(calamity): This fixes http://crbug.com/422604 on ChromeOS but it's
+  // unclear why. This should be investigated to fix the issue on Linux Ash.
+  if (GetContentsBounds().IsEmpty())
+    return;
+
   gfx::Size grid_size = GetTileGridSize();
 
   // Page size including padding pixels. A tile.x + page_width means the same
   // tile slot in the next page; similarly for tile.y + page_height.
   const int page_width = grid_size.width() + kPagePadding;
   const int page_height = grid_size.height() + kPagePadding;
 
   // If there is a transition, calculates offset for current and target page.
   const int current_page = pagination_model_.selected_page();
   const PaginationModel::Transition& transition =
@@ skipping 955 matching lines @@
 
 void AppsGridView::SetAsFolderDroppingTarget(const Index& target_index,
                                              bool is_target_folder) {
   AppListItemView* target_view =
       GetViewDisplayedAtSlotOnCurrentPage(target_index.slot);
   if (target_view)
     target_view->SetAsAttemptedFolderTarget(is_target_folder);
 }
 
 }  // namespace app_list