Cleanup ash shelf accessor functions.

Remove RootWindowController::ForShelf, use ForWindow instead.
Remove ShelfLayoutManager::ForShelf, use Shelf::For*, etc.

Avoid direct RootWindowController use with Shelf::ForWindow.
Add Shelf::shelf_layout_manager() accessor via ShelfWidget.
(avoid Shelf::ForWindow in shell.cc for ShelfDelegate init path)
(No Shelf exists for ShelfWidget::CreateShelf's delegate init)

Make ShelfView take a Shelf* pointer; not ShelfLayoutManager.
Add Shelf alignment helpers to avoid ShelfLayoutManager use.

Miscellaneous refactoring of shelf object access callsites.

TODO: Remove Shell::[G|S]etShelfAutoHideBehavior
TODO: Remove Shell::[G|S]etShelfAlignment

BUG=557406
TEST=No regressions or behavior changes.
R=sky@chromium.org

Review URL: https://codereview.chromium.org/1743493002

Cr-Commit-Position: refs/heads/master@{#378392}

1 files changed, 0 insertions, 7 deletions

diff --git a/ash/root_window_controller.cc b/ash/root_window_controller.cc
index c130e0f..1ae8355 100644
--- a/ash/root_window_controller.cc
+++ b/ash/root_window_controller.cc
@@ -274,13 +274,6 @@ void RootWindowController::CreateForSecondaryDisplay(AshWindowTreeHost* host) {
 }
 
 // static
-RootWindowController* RootWindowController::ForShelf(
-    const aura::Window* window) {
-  CHECK(Shell::HasInstance());
-  return GetRootWindowController(window->GetRootWindow());
-}
-
-// static
 RootWindowController* RootWindowController::ForWindow(
     const aura::Window* window) {
   CHECK(Shell::HasInstance());