Ignore updates to app list Most Likely apps when animating off the start page.

ui/app_list/views/start_page_view.cc

Index: ui/app_list/views/start_page_view.cc
diff --git a/ui/app_list/views/start_page_view.cc b/ui/app_list/views/start_page_view.cc
index 01ea2d608ce84fb1433bf51dca21b478eb9109ae..63f07239277c0bfc817e496b812e4e0a5a23b045 100644
--- a/ui/app_list/views/start_page_view.cc
+++ b/ui/app_list/views/start_page_view.cc
@@ -234,6 +234,15 @@ void StartPageView::UpdateCustomPageClickzoneVisibility() {
 }
 
 int StartPageView::Update() {
+  // Ignore updates and disable buttons when transitioning to a different state.
+  if (app_list_main_view_->contents_view()->GetActiveState() !=
+      AppListModel::STATE_START) {
+    for (size_t i = 0; i < search_result_tile_views_.size(); ++i)

[Matt Giuca, 2015/02/04 05:55:24]

for (auto& view : search_result_tile_views_)
 ...

+      search_result_tile_views_[i]->SetEnabled(false);
+
+    return num_results();
+  }
+
   std::vector<SearchResult*> display_results =
       AppListModel::FilterSearchResultsByDisplayType(
           results(), SearchResult::DISPLAY_RECOMMENDATION, kNumStartPageTiles);
@@ -244,6 +253,7 @@ int StartPageView::Update() {
     if (i < display_results.size())
       item = display_results[i];
     search_result_tile_views_[i]->SetSearchResult(item);
+    search_result_tile_views_[i]->SetEnabled(true);
   }
 
   tiles_container_->Layout();