Clean up IconLoader.

chrome/browser/icon_loader_auralinux.cc

Index: chrome/browser/icon_loader_auralinux.cc
diff --git a/chrome/browser/icon_loader_auralinux.cc b/chrome/browser/icon_loader_auralinux.cc
index c3b57ed8cfd9c37973be1a3cb5652144e442caf3..fcd85437d116125abd53e29a3cce023b79b598c0 100644
--- a/chrome/browser/icon_loader_auralinux.cc
+++ b/chrome/browser/icon_loader_auralinux.cc
@@ -45,6 +45,8 @@ void IconLoader::ReadIcon() {
       image_.reset(new gfx::Image(image));
   }
 
-  target_task_runner_->PostTask(
-      FROM_HERE, base::Bind(&IconLoader::NotifyDelegate, this));
+  target_task_runner_->PostTask(FROM_HERE,
+                                base::Bind(callback_, base::Unretained(this),
+                                           base::Passed(&image_), group_));
+  delete this;
 }