Moves maintaining ShellObservers back to Shell

ash/common/wm_shell.cc

Index: ash/common/wm_shell.cc
diff --git a/ash/common/wm_shell.cc b/ash/common/wm_shell.cc
index 6e141731fb9ae84631e261e609c388fd2de94c4d..0ff8d6d9ad04342702ad4207bd5145434747d377 100644
--- a/ash/common/wm_shell.cc
+++ b/ash/common/wm_shell.cc
@@ -175,21 +175,6 @@ void WmShell::CreateShelfDelegate() {
   shelf_window_watcher_.reset(new ShelfWindowWatcher(shelf_model()));
 }
 
-void WmShell::OnMaximizeModeStarted() {
-  for (auto& observer : shell_observers_)
-    observer.OnMaximizeModeStarted();
-}
-
-void WmShell::OnMaximizeModeEnding() {
-  for (auto& observer : shell_observers_)
-    observer.OnMaximizeModeEnding();
-}
-
-void WmShell::OnMaximizeModeEnded() {
-  for (auto& observer : shell_observers_)
-    observer.OnMaximizeModeEnded();
-}
-
 void WmShell::UpdateAfterLoginStatusChange(LoginStatus status) {
   for (WmWindow* root_window : GetAllRootWindows()) {
     root_window->GetRootWindowController()->UpdateAfterLoginStatusChange(
@@ -197,45 +182,6 @@ void WmShell::UpdateAfterLoginStatusChange(LoginStatus status) {
   }
 }
 
-void WmShell::NotifyFullscreenStateChanged(bool is_fullscreen,
-                                           WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnFullscreenStateChanged(is_fullscreen, root_window);
-}
-
-void WmShell::NotifyPinnedStateChanged(WmWindow* pinned_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnPinnedStateChanged(pinned_window);
-}
-
-void WmShell::NotifyVirtualKeyboardActivated(bool activated) {
-  for (auto& observer : shell_observers_)
-    observer.OnVirtualKeyboardStateChanged(activated);
-}
-
-void WmShell::NotifyShelfCreatedForRootWindow(WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnShelfCreatedForRootWindow(root_window);
-}
-
-void WmShell::NotifyShelfAlignmentChanged(WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnShelfAlignmentChanged(root_window);
-}
-
-void WmShell::NotifyShelfAutoHideBehaviorChanged(WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnShelfAutoHideBehaviorChanged(root_window);
-}
-
-void WmShell::AddShellObserver(ShellObserver* observer) {
-  shell_observers_.AddObserver(observer);
-}
-
-void WmShell::RemoveShellObserver(ShellObserver* observer) {
-  shell_observers_.RemoveObserver(observer);
-}
-
 void WmShell::OnLockStateEvent(LockStateObserver::EventType event) {
   for (auto& observer : lock_state_observers_)
     observer.OnLockStateEvent(event);