WeakPtr destruction order cleanup: media edition.

content/browser/media/android/media_resource_getter_impl.h

Index: content/browser/media/android/media_resource_getter_impl.h
diff --git a/content/browser/media/android/media_resource_getter_impl.h b/content/browser/media/android/media_resource_getter_impl.h
index d3d0d57764f973b493f805e61a989983e77adbea..c0bdbe302e4583424f1ce1a0c76858c6c0481772 100644
--- a/content/browser/media/android/media_resource_getter_impl.h
+++ b/content/browser/media/android/media_resource_getter_impl.h
@@ -69,15 +69,15 @@ class MediaResourceGetterImpl : public media::MediaResourceGetter {
   // FileSystemContext to be used on FILE thread.
   fileapi::FileSystemContext* file_system_context_;
 
-  // Used to post tasks.
-  base::WeakPtrFactory<MediaResourceGetterImpl> weak_this_;
-
   // Render process id, used to check whether the process can access cookies.
   int renderer_id_;
 
   // Routing id for the render view, used to check tab specific cookie policy.
   int routing_id_;
 
+  // NOTE: Weak pointers must be invalidated before all other member variables.
+  base::WeakPtrFactory<MediaResourceGetterImpl> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(MediaResourceGetterImpl);
 };