Move ownership of the AppListViewDelegate into the AppListService

ui/app_list/cocoa/app_list_view_controller.mm

Index: ui/app_list/cocoa/app_list_view_controller.mm
diff --git a/ui/app_list/cocoa/app_list_view_controller.mm b/ui/app_list/cocoa/app_list_view_controller.mm
index 0cc2f2d71199e8a0da0102ae31e93cc7d2236549..0ca22f46a0885c5e517d6f144bd30208edd8497f 100644
--- a/ui/app_list/cocoa/app_list_view_controller.mm
+++ b/ui/app_list/cocoa/app_list_view_controller.mm
@@ -154,10 +154,10 @@ void AppListModelObserverBridge::OnProfilesChanged() {
 }
 
 - (app_list::AppListViewDelegate*)delegate {
-  return delegate_.get();
+  return delegate_;
 }
 
-- (void)setDelegate:(scoped_ptr<app_list::AppListViewDelegate>)newDelegate {
+- (void)setDelegate:(app_list::AppListViewDelegate*)newDelegate {
   if (delegate_) {
     // Ensure the search box is cleared when switching profiles.
     if ([self searchBoxModel])
@@ -169,7 +169,7 @@ void AppListModelObserverBridge::OnProfilesChanged() {
     [appsSearchBoxController_ setDelegate:nil];
     [appsGridController_ setDelegate:nil];
   }
-  delegate_.reset(newDelegate.release());
+  delegate_ = newDelegate;
   if (delegate_) {
     [loadingIndicator_ stopAnimation:self];
   } else {
@@ -177,7 +177,7 @@ void AppListModelObserverBridge::OnProfilesChanged() {
     return;
   }
 
-  [appsGridController_ setDelegate:delegate_.get()];
+  [appsGridController_ setDelegate:delegate_];
   [appsSearchBoxController_ setDelegate:self];
   [appsSearchResultsController_ setDelegate:self];
   app_list_model_observer_bridge_.reset(