Add brotli content-encoding filter.

net/filter/brotli_filter_disabled.cc

Index: net/filter/brotli_filter_disabled.cc
diff --git a/ui/base/cursor/cursor_loader_android.cc b/net/filter/brotli_filter_disabled.cc
similarity index 53%
copy from ui/base/cursor/cursor_loader_android.cc
copy to net/filter/brotli_filter_disabled.cc
index 85dbf3c53c387c54b87e8608a8564ebfd0450d58..1081ff4648135a4d523d009315fc909f885fe772 100644
--- a/ui/base/cursor/cursor_loader_android.cc
+++ b/net/filter/brotli_filter_disabled.cc
@@ -2,15 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/base/cursor/cursor_loader.h"
+#include "net/filter/brotli_filter.h"
 
-#include "base/logging.h"
+namespace net {
 
-namespace ui {
-
-CursorLoader* CursorLoader::Create() {
-  NOTIMPLEMENTED();
+Filter* CreateBrotliFilter(Filter::FilterType type_id) {
   return nullptr;
 }
 
-}  // namespace ui
+}  // namespace net