arc: Open launcher after installing app from Android

ui/app_list/views/app_list_main_view.cc

 // Copyright 2013 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/app_list_main_view.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 50 matching lines @@
 
     // Triggers icon loading for given |scale_factor|.
     item_->icon().GetRepresentation(scale);
   }
 
   ~IconLoader() override { item_->RemoveObserver(this); }
 
  private:
   // AppListItemObserver overrides:
   void ItemIconChanged() override {
-    owner_->OnItemIconLoaded(this);
+    owner_->OnItemClosedOrIconLoaded(this);
     // Note that IconLoader is released here.
   }
 
+  void ItemBeingDestroyed() override {
+    owner_->OnItemClosedOrIconLoaded(this);

[khmel, 2016/08/23 16:26:27]

This fix crash reason in my new test and I see this may be real crash condition
(rare?) in production. It is not guaranty that item is not destroyed prior to
icon update.

+    // Note that IconLoader is released here.
+  }
+
   AppListMainView* owner_;
   AppListItem* item_;
 
   DISALLOW_COPY_AND_ASSIGN(IconLoader);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 // AppListMainView:
 
 AppListMainView::AppListMainView(AppListViewDelegate* delegate)
@@ skipping 129 matching lines @@
       continue;
 
     pending_icon_loaders_.push_back(new IconLoader(this, item, scale_factor));
   }
 }
 
 void AppListMainView::OnIconLoadingWaitTimer() {
   GetWidget()->Show();
 }
 
-void AppListMainView::OnItemIconLoaded(IconLoader* loader) {
+void AppListMainView::OnItemClosedOrIconLoaded(IconLoader* loader) {
   ScopedVector<IconLoader>::iterator it = std::find(
       pending_icon_loaders_.begin(), pending_icon_loaders_.end(), loader);
   DCHECK(it != pending_icon_loaders_.end());
   pending_icon_loaders_.erase(it);
 
   if (pending_icon_loaders_.empty() && icon_loading_wait_timer_.IsRunning()) {
     icon_loading_wait_timer_.Stop();
     GetWidget()->Show();
   }
 }
@@ skipping 78 matching lines @@
     contents_view_->search_results_page_view()->SetSelection(select);
 }
 
 void AppListMainView::OnResultInstalled(SearchResult* result) {
   // Clears the search to show the apps grid. The last installed app
   // should be highlighted and made visible already.
   search_box_view_->ClearSearch();
 }
 
 }  // namespace app_list