Re-commit: Add new PathService paths for Windows' All Users Desktop and Quick Launch folders.

base/path_service.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 "base/path_service.h"
 
 #ifdef OS_WIN
 #include <windows.h>
 #include <shellapi.h>
 #include <shlobj.h>
 #endif
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/hash_tables.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/synchronization/lock.h"
 
 namespace base {
   bool PathProvider(int key, FilePath* result);
 #if defined(OS_WIN)
   bool PathProviderWin(int key, FilePath* result);
 #elif defined(OS_MACOSX)
   bool PathProviderMac(int key, FilePath* result);
 #elif defined(OS_ANDROID)
   bool PathProviderAndroid(int key, FilePath* result);
 #elif defined(OS_POSIX)
+  // PathProviderPosix is the default path provider on POSIX OSes other than
+  // Mac and Android.
   bool PathProviderPosix(int key, FilePath* result);
 #endif
 }
 
 namespace {
 
 typedef base::hash_map<int, FilePath> PathMap;
 
 // We keep a linked list of providers.  In a debug build we ensure that no two
 // providers claim overlapping keys.
@@ skipping 39 matching lines @@
 #endif
   true
 };
 #endif
 
 #if defined(OS_ANDROID)
 Provider base_provider_android = {
   base::PathProviderAndroid,
   &base_provider,
 #ifndef NDEBUG
-  0,
-  0,
+  base::PATH_ANDROID_START,
+  base::PATH_ANDROID_END,
 #endif
   true
 };
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
 Provider base_provider_posix = {
   base::PathProviderPosix,
   &base_provider,
 #ifndef NDEBUG
-  0,
-  0,
+  base::PATH_POSIX_START,
+  base::PATH_POSIX_END,
 #endif
   true
 };
 #endif
 
 
 struct PathData {
   base::Lock lock;
   PathMap cache;        // Cache mappings from path key to path value.
   PathMap overrides;    // Track path overrides.
@@ skipping 174 matching lines @@
   p = new Provider;
   p->is_static = false;
   p->func = func;
   p->next = path_data->providers;
 #ifndef NDEBUG
   p->key_start = key_start;
   p->key_end = key_end;
 #endif
   path_data->providers = p;
 }