One-click install for the OSX App Launcher

ui/app_list/cocoa/apps_grid_view_item.mm

Index: ui/app_list/cocoa/apps_grid_view_item.mm
diff --git a/ui/app_list/cocoa/apps_grid_view_item.mm b/ui/app_list/cocoa/apps_grid_view_item.mm
index 92e5d1b77ea0fcb1f3aad2d7bcc53d4e0a33084d..dd6757977175d4da299ec5de6211069994c5fd2a 100644
--- a/ui/app_list/cocoa/apps_grid_view_item.mm
+++ b/ui/app_list/cocoa/apps_grid_view_item.mm
@@ -13,6 +13,7 @@
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_item_observer.h"
 #import "ui/app_list/cocoa/apps_grid_controller.h"
+#import "ui/app_list/cocoa/apps_pagination_model_observer.h"
 #import "ui/base/cocoa/menu_controller.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/font.h"
@@ -53,7 +54,7 @@ const int kMacFontSizeDelta = -1;
 // Ensure the page this item is on is the visible page in the grid.
 - (void)ensureVisible;
 
-// Add or remove a progress bar from the view.
+// Adds a progress bar to the view if |isInstalling|, otherwise removes it.
 - (void)setItemIsInstalling:(BOOL)isInstalling;
 
 // Update the progress bar to represent |percent|, or make it indeterminate if
@@ -388,6 +389,11 @@ void ItemModelObserverBridge::ItemPercentDownloadedChanged() {
       base::mac::ObjCCastStrict<AppsGridController>([collectionView delegate]);
   size_t pageIndex = [gridController pageIndexForCollectionView:collectionView];
   [gridController scrollToPage:pageIndex];
+
+  // If the item just completed a user-initiated install, additionally clear
+  // search results to reveal the item in the grid.
+  if ([self model]->percent_downloaded() == -1)
+    [[gridController paginationObserver] ensureAppsPagesVisible];
 }
 
 - (void)setItemIsInstalling:(BOOL)isInstalling {