Show a delete shortcut checkbox when editing a profile that has a shortcut.

chrome/browser/profiles/profile_shortcut_manager_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/profiles/profile_shortcut_manager_win.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 328 matching lines @@
     product.AddDefaultShortcutProperties(chrome_exe, &properties);
     properties.set_shortcut_name(
         profiles::internal::GetShortcutFilenameForProfile(string16(),
                                                           distribution));
     ShellUtil::CreateOrUpdateShortcut(ShellUtil::SHORTCUT_LOCATION_DESKTOP,
                                       distribution, properties,
                                       ShellUtil::SHELL_SHORTCUT_CREATE_ALWAYS);
   }
 }
 
+// Returns true if profile at |profile_path| has any shortcuts. Does not
+// consider non-profile shortcuts. Must be called on the FILE thread.
+bool HasAnyProfileShortcuts(const FilePath& profile_path) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+
+  FilePath chrome_exe;
+  if (!PathService::Get(base::FILE_EXE, &chrome_exe)) {
+    NOTREACHED();
+    return false;
+  }
+
+  const string16 command_line =
+      profiles::internal::CreateProfileShortcutFlags(profile_path);
+  std::vector<FilePath> shortcuts;
+  ListDesktopShortcutsWithCommandLine(chrome_exe, command_line, false,
+                                      &shortcuts);
+  return !shortcuts.empty();
+}
+
 // Replaces any reserved characters with spaces, and trims the resulting string
 // to prevent any leading and trailing spaces. Also makes sure that the
 // resulting filename doesn't exceed |kMaxProfileShortcutFileNameLength|.
 // TODO(macourteau): find a way to limit the total path's length to MAX_PATH
 // instead of limiting the profile's name to |kMaxProfileShortcutFileNameLength|
 // characters.
 string16 SanitizeShortcutProfileNameString(const string16& profile_name) {
   string16 sanitized = profile_name;
   size_t pos = sanitized.find_first_of(kReservedCharacters);
   while (pos != string16::npos) {
@@ skipping 55 matching lines @@
 ProfileShortcutManagerWin::~ProfileShortcutManagerWin() {
   profile_manager_->GetProfileInfoCache().RemoveObserver(this);
 }
 
 void ProfileShortcutManagerWin::CreateProfileShortcut(
     const FilePath& profile_path) {
   CreateOrUpdateShortcutsForProfileAtPath(profile_path, CREATE_WHEN_NONE_FOUND,
                                           IGNORE_NON_PROFILE_SHORTCUTS);
 }
 
+void ProfileShortcutManagerWin::RemoveProfileShortcuts(
+    const FilePath& profile_path) {
+  BrowserThread::PostTask(
+      BrowserThread::FILE, FROM_HERE,
+      base::Bind(&DeleteDesktopShortcutsAndIconFile, profile_path, false));
+}
+
+void ProfileShortcutManagerWin::HasProfileShortcuts(
+    const FilePath& profile_path,
+    const base::Callback<void(bool)>& callback) {
+  BrowserThread::PostTaskAndReplyWithResult(
+      BrowserThread::FILE, FROM_HERE,
+      base::Bind(&HasAnyProfileShortcuts, profile_path), callback);
+}
+
 void ProfileShortcutManagerWin::OnProfileAdded(const FilePath& profile_path) {
   const size_t profile_count =
       profile_manager_->GetProfileInfoCache().GetNumberOfProfiles();
   if (profile_count == 1) {
     CreateOrUpdateShortcutsForProfileAtPath(profile_path,
                                             CREATE_WHEN_NONE_FOUND,
                                             UPDATE_NON_PROFILE_SHORTCUTS);
   } else if (profile_count == 2) {
     CreateOrUpdateShortcutsForProfileAtPath(GetOtherProfilePath(profile_path),
                                             UPDATE_EXISTING_ONLY,
@@ skipping 114 matching lines @@
   }
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&CreateOrUpdateDesktopShortcutsForProfile,
                  profile_path, new_shortcut_appended_name,
                  profile_avatar_bitmap_copy, create_mode, action));
 
   cache->SetShortcutNameOfProfileAtIndex(profile_index,
                                          new_shortcut_appended_name);
 }