Added support for image notifications.

chrome/browser/ui/views/ash/balloon_view_ash.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/views/ash/balloon_view_ash.h"
 
 #include "ash/shell.h"
 #include "ash/system/web_notification/web_notification_tray.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 170 matching lines @@
 
 BalloonHost* BalloonViewAsh::GetHost() const {
   return NULL;
 }
 
 void BalloonViewAsh::SetNotificationIcon(const std::string& id,
                                          const gfx::ImageSkia& image) {
   GetMessageCenter()->SetNotificationPrimaryIcon(id, image);
 }
 
+void BalloonViewAsh::SetNotificationImage(const std::string& id,
+                                          const gfx::ImageSkia& image) {
+  GetMessageCenter()->SetNotificationImage(id, image);
+}
+
 void BalloonViewAsh::DownloadImages(const Notification& notification) {
   // Cancel any previous downloads.
   downloads_.clear();
 
   // Set the notification's primary icon, or set up a download for it.
   if (!notification.icon().isNull()) {
     SetNotificationIcon(notification_id_, notification.icon());
   } else if (!notification.icon_url().is_empty()) {
     GetImageDownload(notification.icon_url()).AddCallback(
         message_center::kNotificationIconWidth, base::Bind(
             &BalloonViewAsh::SetNotificationIcon,
             base::Unretained(this)));
   }
 
+  // Set up a download for the notification's image if appropriate.
+  const base::DictionaryValue* optional_fields = notification.optional_fields();
+  if (optional_fields->HasKey(ui::notifications::kImageUrlKey)) {
+    string16 url;
+    optional_fields->GetString(ui::notifications::kImageUrlKey, &url);
+    if (!url.empty()) {
+      GetImageDownload(GURL(url)).AddCallback(
+          message_center::kNotificationPreferredImageSize, base::Bind(
+              &BalloonViewAsh::SetNotificationImage,
+              base::Unretained(this)));
+    }
+  }
+
   // Start the downloads.
   for (ImageDownloads::const_iterator i = downloads_.begin();
        i != downloads_.end();
        ++i) {
     i->second->Start(notification);
   }
 }
 
 BalloonViewAsh::ImageDownload& BalloonViewAsh::GetImageDownload(
     const GURL& url) {
   if (!downloads_.count(url))
     downloads_[url].reset(new ImageDownload(url));
   return *downloads_[url];
 }