Unminimize app section on app install.

chrome/browser/resources/ntp/apps.js

Index: chrome/browser/resources/ntp/apps.js
diff --git a/chrome/browser/resources/ntp/apps.js b/chrome/browser/resources/ntp/apps.js
index 70018aa7e1eebbae0a895757881b059dd749415b..7c55c982dedc07e0e5b221f3ea1c11b876b959fd 100644
--- a/chrome/browser/resources/ntp/apps.js
+++ b/chrome/browser/resources/ntp/apps.js
@@ -228,8 +228,12 @@ var apps = (function() {
           document.documentElement.setAttribute("install-animation-enabled",
                                                 "false");
         });
-        if ($('apps').classList.contains('hidden') &&
-            !(shownSections & MINIMIZED_APPS))
+
+        // Make sure apps is de-minimized...
+        setSectionVisible('apps', Section.APPS, true, MINIMIZED_APPS);
+
+        // ...and expanded.
+        if ($('apps').classList.contains('hidden'))
           toggleSectionVisibilityAndAnimate('APPS');
       }