Add appIconMask to notification API

chrome/browser/extensions/api/notifications/notifications_api.cc

Index: chrome/browser/extensions/api/notifications/notifications_api.cc
diff --git a/chrome/browser/extensions/api/notifications/notifications_api.cc b/chrome/browser/extensions/api/notifications/notifications_api.cc
index 2e6d46f6a35c6c78d411888a2b758d96f582e3d8..58469412295e813b54dcf61ad733fb94aeb5219d 100644
--- a/chrome/browser/extensions/api/notifications/notifications_api.cc
+++ b/chrome/browser/extensions/api/notifications/notifications_api.cc
@@ -288,6 +288,13 @@ bool NotificationsApiFunction::CreateNotification(
 
   // Then, handle any optional data that's been provided.
   message_center::RichNotificationData optional_fields;
+  if (options->small_icon_url.get()) {
+    NotificationBitmapToGfxImage(image_scale,

[dewittj, 2014/06/09 21:30:58]

We should handle the case where this returns false by providing an error message
just like the one above:

if (!NotificationBitmapToGfxImage(...))
  SetError(...)

[liyanhou, 2014/06/16 16:56:59]

Done.

+                                 bitmap_sizes.small_icon_size,
+                                 options->small_icon_bitmap.get(),
+                                 &optional_fields.small_image);
+  }
+
   if (options->priority.get())
     optional_fields.priority = *options->priority;
 
@@ -405,6 +412,14 @@ bool NotificationsApiFunction::UpdateNotification(
     notification->set_icon(icon);
   }
 
+  gfx::Image small_icon;
+  if (NotificationBitmapToGfxImage(image_scale,
+                                   bitmap_sizes.small_icon_size,
+                                   options->small_icon_bitmap.get(),
+                                   &small_icon)) {
+    notification->set_small_image(small_icon);
+  }
+
   if (options->priority)
     notification->set_priority(*options->priority);