Revert of [Mac] Add interactive App Shim test.

chrome/browser/web_applications/web_app_mac.mm

Index: chrome/browser/web_applications/web_app_mac.mm
diff --git a/chrome/browser/web_applications/web_app_mac.mm b/chrome/browser/web_applications/web_app_mac.mm
index 4ccb27fecf4eea4b2eb381edd405252ef441bb49..9199441a640622964c01bc8349fee285ddb7e67e 100644
--- a/chrome/browser/web_applications/web_app_mac.mm
+++ b/chrome/browser/web_applications/web_app_mac.mm
@@ -47,8 +47,6 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_family.h"
 
-bool g_app_shims_allow_update_and_launch_in_tests = false;
-
 namespace {
 
 // Launch Services Key to run as an agent app, which doesn't launch in the dock.
@@ -859,10 +857,8 @@
 }
 
 void MaybeLaunchShortcut(const ShortcutInfo& shortcut_info) {
-  if (AppShimsDisabledForTest() &&
-      !g_app_shims_allow_update_and_launch_in_tests) {
+  if (AppShimsDisabledForTest())
     return;
-  }
 
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE, FROM_HERE,
@@ -974,10 +970,8 @@
     const ShortcutInfo& shortcut_info,
     const extensions::FileHandlersInfo& file_handlers_info) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
-  if (AppShimsDisabledForTest() &&
-      !g_app_shims_allow_update_and_launch_in_tests) {
+  if (AppShimsDisabledForTest())
     return;
-  }
 
   WebAppShortcutCreator shortcut_creator(
       app_data_path, shortcut_info, file_handlers_info);