Revert 157667 - Add new PathService paths for Windows' All Users Desktop and Quick Launch folders.

chrome/installer/util/shell_util.cc

Index: chrome/installer/util/shell_util.cc
===================================================================
--- chrome/installer/util/shell_util.cc	(revision 157679)
+++ chrome/installer/util/shell_util.cc	(working copy)
@@ -1098,15 +1098,43 @@
 }
 
 bool ShellUtil::GetDesktopPath(bool system_level, FilePath* path) {
-  int dir_key = system_level ? base::DIR_COMMON_DESKTOP :
-                               base::DIR_USER_DESKTOP;
-  return PathService::Get(dir_key, path);
+  wchar_t desktop[MAX_PATH];
+  int dir = system_level ? CSIDL_COMMON_DESKTOPDIRECTORY :
+                           CSIDL_DESKTOPDIRECTORY;
+  if (FAILED(SHGetFolderPath(NULL, dir, NULL, SHGFP_TYPE_CURRENT, desktop)))
+    return false;
+  *path = FilePath(desktop);
+  return true;
 }
 
 bool ShellUtil::GetQuickLaunchPath(bool system_level, FilePath* path) {
-  int dir_key = system_level ? base::DIR_DEFAULT_USER_QUICK_LAUNCH :
-                               base::DIR_USER_QUICK_LAUNCH;
-  return PathService::Get(dir_key, path);
+  if (system_level) {
+    wchar_t qlaunch[MAX_PATH];
+    // We are accessing GetDefaultUserProfileDirectory this way so that we do
+    // not have to declare dependency to Userenv.lib for chrome.exe
+    typedef BOOL (WINAPI *PROFILE_FUNC)(LPWSTR, LPDWORD);
+    HMODULE module = LoadLibrary(L"Userenv.dll");
+    PROFILE_FUNC p = reinterpret_cast<PROFILE_FUNC>(GetProcAddress(module,
+        "GetDefaultUserProfileDirectoryW"));
+    DWORD size = _countof(qlaunch);
+    if ((p == NULL) || ((p)(qlaunch, &size) != TRUE))
+      return false;
+    *path = FilePath(qlaunch);
+    if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
+      *path = path->AppendASCII("AppData");
+      *path = path->AppendASCII("Roaming");
+    } else {
+      *path = path->AppendASCII("Application Data");
+    }
+  } else {
+    if (!PathService::Get(base::DIR_APP_DATA, path)) {
+      return false;
+    }
+  }
+  *path = path->AppendASCII("Microsoft");
+  *path = path->AppendASCII("Internet Explorer");
+  *path = path->AppendASCII("Quick Launch");
+  return true;
 }
 
 void ShellUtil::GetRegisteredBrowsers(