Save user selected wallpaper information to local state.

chrome/browser/chromeos/extensions/wallpaper_private_api.cc

Index: chrome/browser/chromeos/extensions/wallpaper_private_api.cc
diff --git a/chrome/browser/chromeos/extensions/wallpaper_private_api.cc b/chrome/browser/chromeos/extensions/wallpaper_private_api.cc
index 9ea531799257d3570edc6d40c627f4e176f87fca..9e9444f8bb40248fe8bf728455f645f522dd3a30 100644
--- a/chrome/browser/chromeos/extensions/wallpaper_private_api.cc
+++ b/chrome/browser/chromeos/extensions/wallpaper_private_api.cc
@@ -4,8 +4,6 @@
 
 #include "chrome/browser/chromeos/extensions/wallpaper_private_api.h"
 
-#include "ash/desktop_background/desktop_background_controller.h"
-#include "ash/shell.h"
 #include "base/file_util.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
@@ -176,8 +174,11 @@ void WallpaperSetWallpaperFunction::SaveToFile() {
 }
 
 void WallpaperSetWallpaperFunction::SetDecodedWallpaper() {
-  ash::Shell::GetInstance()->desktop_background_controller()->
-      SetCustomWallpaper(wallpaper_, layout_);
+  chromeos::WallpaperManager* wallpaper_manager =
+      chromeos::WallpaperManager::Get();
+  wallpaper_manager->SetWallpaperFromImageSkia(wallpaper_, layout_);
+  wallpaper_manager->SaveUserWallpaperInfo(email_, file_name_, layout_,
+                                           chromeos::User::DEFAULT);
   wallpaper_decoder_ = NULL;
   SendResponse(true);
 }