[mac] Create app shortcuts in a subfolder of /Applications

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 2c6154800a6a4b4f57b95639328c727be7316053..b58e8f85ddaa9add7f7c889fffe8cc8a5174398e 100644
--- a/chrome/browser/web_applications/web_app_mac.mm
+++ b/chrome/browser/web_applications/web_app_mac.mm
@@ -85,6 +85,8 @@ bool AddBitmapImageRepToIconFamily(IconFamily* icon_family,
 
 namespace web_app {
 
+const char kChromeAppDirName[] = "Chrome Apps.localized";
+
 WebAppShortcutCreator::WebAppShortcutCreator(
     const base::FilePath& user_data_dir,
     const ShellIntegration::ShortcutInfo& shortcut_info,
@@ -120,6 +122,15 @@ bool WebAppShortcutCreator::CreateShortcut() {
     return false;
 
   base::FilePath dst_path = GetDestinationPath(app_file_name);
+  if (dst_path.empty()) {
+    LOG(ERROR) << "Couldn't find an Applications directory to copy app to.";
+    return false;
+  }
+  dst_path = dst_path.Append(kChromeAppDirName);
+  if (!file_util::CreateDirectory(dst_path)) {
+    LOG(ERROR) << "Creating directory " << dst_path.value() << " failed.";
+    return false;
+  }
   if (!file_util::CopyDirectory(staging_path, dst_path, true)) {
     LOG(ERROR) << "Copying app to dst path: " << dst_path.value() << " failed";
     return false;