4 files changed, 20 insertions, 3 deletions
diff --git a/extensions/DEPS b/extensions/DEPS
index d2bbec8..21a0ba6 100644
--- a/extensions/DEPS
+++ b/extensions/DEPS
@@ -13,7 +13,16 @@ include_rules = [
   "+grit/extensions_resources.h",
   "+mojo/public",
   "+testing",
-  "+ui",
+
+  # Minimal UI dependencies. There are two good rules for UI dependencies here:
+  #
+  #   1) UI components should only be added as they are needed, and
+  #   2) if //content doesn't allow it, //extensions probably won't allow it.
+  #      (see for example ui/views)
+  "-ui",
+  "+ui/base",
+  "+ui/gfx",
+  "+ui/events",
 
   # NOTE: Please do not add includes without talking to the app shell team;
   # see OWNERS for this directory.
diff --git a/extensions/components/native_app_window/DEPS b/extensions/components/native_app_window/DEPS
index aa37418..a3755f9 100644
--- a/extensions/components/native_app_window/DEPS
+++ b/extensions/components/native_app_window/DEPS
@@ -1,4 +1,7 @@
 include_rules = [
   "+content/public/browser",
   "+third_party/skia/include/core/SkRegion.h",
+
+  "+ui/aura",
+  "+ui/views",
 ]
diff --git a/extensions/shell/browser/DEPS b/extensions/shell/browser/DEPS
index b692a0a..3cb86f2 100644
--- a/extensions/shell/browser/DEPS
+++ b/extensions/shell/browser/DEPS
@@ -28,8 +28,12 @@ include_rules = [
   "+storage/browser/quota",
   "+sync/api",
 
-  # Disallow views to keep the binary size down.
-  "-ui/views",
+  # Additional UI dependencies for app_shell. Note that no particular UI toolkit
+  # is supported; only Aura and some necessary bits to set up display surfaces.
+  "+ui/aura",
+  "+ui/chromeos",
+  "+ui/display",
+  "+ui/wm",
 
   "+third_party/cros_system_api",
 
diff --git a/extensions/test/DEPS b/extensions/test/DEPS
index 925491d..27ef4ea 100644
--- a/extensions/test/DEPS
+++ b/extensions/test/DEPS
@@ -1,4 +1,5 @@
 include_rules = [
   "+content/public",
   "+mojo/edk/embedder",
+  "+ui/gl",
 ]