Introduce centered view and bottom view for home card.

athena/main/athena_main.cc

 // Copyright 2014 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 "apps/shell/app/shell_main_delegate.h"
 #include "apps/shell/browser/shell_browser_main_delegate.h"
 #include "apps/shell/browser/shell_content_browser_client.h"
 #include "apps/shell/browser/shell_desktop_controller.h"
 #include "apps/shell/browser/shell_extension_system.h"
 #include "apps/shell/common/switches.h"
 #include "apps/shell/renderer/shell_renderer_main_delegate.h"
 #include "athena/content/public/content_activity_factory.h"
 #include "athena/content/public/content_app_model_builder.h"
 #include "athena/home/public/home_card.h"
 #include "athena/main/athena_app_window_controller.h"
 #include "athena/main/athena_launcher.h"
 #include "athena/main/debug/debug_window.h"
 #include "athena/main/placeholder.h"
 #include "athena/main/url_search_provider.h"
 #include "athena/screen/public/screen_manager.h"
 #include "athena/virtual_keyboard/public/virtual_keyboard_bindings.h"
 #include "athena/virtual_keyboard/public/virtual_keyboard_manager.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "content/public/app/content_main.h"
+#include "ui/app_list/app_list_switches.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/keyboard/keyboard_controller.h"
 #include "ui/keyboard/keyboard_controller_observer.h"
 #include "ui/wm/core/visibility_controller.h"
 
 namespace {
 
 // We want to load the sample calculator app by default, for a while. Expecting
 // to run athena_main at src/
@@ skipping 37 matching lines @@
 };
 
 class AthenaBrowserMainDelegate : public apps::ShellBrowserMainDelegate {
  public:
   AthenaBrowserMainDelegate() {}
   virtual ~AthenaBrowserMainDelegate() {}
 
   // apps::ShellBrowserMainDelegate:
   virtual void Start(content::BrowserContext* context) OVERRIDE {
     base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+
+    // Force showing in the experimental app-list view.
+    command_line->AppendSwitch(app_list::switches::kEnableExperimentalAppList);
+
     base::FilePath app_dir = base::FilePath::FromUTF8Unsafe(
         command_line->HasSwitch(apps::switches::kAppShellAppPath) ?
         command_line->GetSwitchValueNative(apps::switches::kAppShellAppPath) :
         kDefaultAppPath);
 
     base::FilePath app_absolute_dir = base::MakeAbsoluteFilePath(app_dir);
     if (base::DirectoryExists(app_absolute_dir)) {
       extensions::ShellExtensionSystem* extension_system =
           static_cast<extensions::ShellExtensionSystem*>(
               extensions::ExtensionSystem::Get(context));
@@ skipping 96 matching lines @@
 
 int main(int argc, const char** argv) {
   AthenaMainDelegate delegate;
   content::ContentMainParams params(&delegate);
 
   params.argc = argc;
   params.argv = argv;
 
   return content::ContentMain(params);
 }