Implement the new wallpaper manager launcher window.

chrome/browser/ui/webui/options2/browser_options_handler2.cc

Index: chrome/browser/ui/webui/options2/browser_options_handler2.cc
diff --git a/chrome/browser/ui/webui/options2/browser_options_handler2.cc b/chrome/browser/ui/webui/options2/browser_options_handler2.cc
index b5c54dfe5077742072d5e16523c4597d18c8cdbe..48f4b3cea02c89d24207d669fd080ef20e4f2332 100644
--- a/chrome/browser/ui/webui/options2/browser_options_handler2.cc
+++ b/chrome/browser/ui/webui/options2/browser_options_handler2.cc
@@ -83,6 +83,7 @@
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/chromeos/cros_settings.h"
+#include "chrome/browser/chromeos/extensions/wallpaper_manager_api.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/options/take_photo_dialog.h"
 #include "chrome/browser/ui/browser_window.h"
@@ -517,6 +518,10 @@ void BrowserOptionsHandler::RegisterMessages() {
 #endif
 #if defined(OS_CHROMEOS)
   web_ui()->RegisterMessageCallback(
+      "openWallpaperManager",
+      base::Bind(&BrowserOptionsHandler::HandleOpenWallpaperManager,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
       "spokenFeedbackChange",
       base::Bind(&BrowserOptionsHandler::SpokenFeedbackChangeCallback,
                  base::Unretained(this)));
@@ -1254,6 +1259,11 @@ void BrowserOptionsHandler::RemoveCloudPrintConnectorSection() {
 #endif
 
 #if defined(OS_CHROMEOS)
+void BrowserOptionsHandler::HandleOpenWallpaperManager(
+    const ListValue* args) {
+  wallpaper_manager_util::OpenWallpaperManager();
+}
+
 void BrowserOptionsHandler::SpokenFeedbackChangeCallback(
     const ListValue* args) {
   bool enabled = false;