Remove unnecessary image downloading handler of notifications.

chrome/browser/notifications/message_center_notifications_browsertest.cc

Index: chrome/browser/notifications/message_center_notifications_browsertest.cc
diff --git a/chrome/browser/notifications/message_center_notifications_browsertest.cc b/chrome/browser/notifications/message_center_notifications_browsertest.cc
index 633d05621939bf4816fd31630215c06faa81f6bc..e769f691f763a77813a2a2b2a7b6930808e8f5a8 100644
--- a/chrome/browser/notifications/message_center_notifications_browsertest.cc
+++ b/chrome/browser/notifications/message_center_notifications_browsertest.cc
@@ -87,9 +87,6 @@ class MessageCenterNotificationsTest : public InProcessBrowserTest {
       log_ += base::IntToString(button_index) + "_";
     }
     virtual std::string id() const OVERRIDE { return id_; }
-    virtual content::WebContents* GetWebContents() const OVERRIDE {
-      return NULL;
-    }
 
     const std::string& log() { return log_; }
 
@@ -109,13 +106,16 @@ class MessageCenterNotificationsTest : public InProcessBrowserTest {
       new_delegate->AddRef();
     }
 
-    return Notification(GURL("chrome-test://testing/"),
-                        gfx::Image(),
+    return Notification(message_center::NOTIFICATION_TYPE_SIMPLE,
+                        GURL("chrome-test://testing/"),
                         base::ASCIIToUTF16("title"),
                         base::ASCIIToUTF16("message"),
+                        gfx::Image(),
                         blink::WebTextDirectionDefault,
+                        message_center::NotifierId(),
                         base::UTF8ToUTF16("chrome-test://testing/"),
                         base::UTF8ToUTF16("REPLACE-ME"),
+                        message_center::RichNotificationData(),
                         new_delegate);
   }