Experimental app list: Custom launcher pages have app APIs and style.

chrome/browser/ui/app_list/app_list_view_delegate.h

Index: chrome/browser/ui/app_list/app_list_view_delegate.h
diff --git a/chrome/browser/ui/app_list/app_list_view_delegate.h b/chrome/browser/ui/app_list/app_list_view_delegate.h
index b5dba63cf63184afe7159216cadc4cd31ce2e1b0..31899f94cee44f5a3f4781e040982dd7d4a59a70 100644
--- a/chrome/browser/ui/app_list/app_list_view_delegate.h
+++ b/chrome/browser/ui/app_list/app_list_view_delegate.h
@@ -23,6 +23,10 @@
 class AppListControllerDelegate;
 class Profile;
 
+namespace apps {
+class CustomLauncherPageContents;
+}
+
 namespace app_list {
 class SearchController;
 class SpeechUIModel;
@@ -32,10 +36,6 @@ namespace base {
 class FilePath;
 }
 
-namespace content {
-class WebContents;
-}
-
 namespace gfx {
 class ImageSkia;
 }
@@ -154,8 +154,8 @@ class AppListViewDelegate : public app_list::AppListViewDelegate,
   // this instance can be removed as an observer on its destruction.
   ScopedObserver<SigninManagerBase, AppListViewDelegate> scoped_observer_;
 
-  // Contents of the additional custom launcher page. May be NULL.
-  scoped_ptr<content::WebContents> custom_page_web_contents_;
+  // Window contents of the additional custom launcher page. May be NULL.
+  scoped_ptr<apps::CustomLauncherPageContents> custom_page_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
 };