refactor base_paths so that windows-specific paths are pulled out into their own file.  Note that some of the same path key names will exist in other platform-specific files.  For example, base_paths_mac.mm will have FILE_EXE and DIR_APP_DATA (among others).

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@389 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: ac510e1f4a322381d1e82c9669bfd3c05113d6e6
diff --git a/base/base_paths.cc b/base/base_paths.cc
index 389b0bb..ed0a489 100644
--- a/base/base_paths.cc
+++ b/base/base_paths.cc
@@ -29,71 +29,28 @@
 
 #include "base/base_paths.h"
 
-#include <shlobj.h>
-
 #include "base/file_util.h"
 #include "base/path_service.h"
 
-// This is here for the sole purpose of looking up the corresponding HMODULE.
-static int handle_lookup = 0;
-
 namespace base {
 
 bool PathProvider(int key, std::wstring* result) {
   // NOTE: DIR_CURRENT is a special cased in PathService::Get
 
-  // We need to go compute the value. It would be nice to support paths with
-  // names longer than MAX_PATH, but the system functions don't seem to be
-  // designed for it either, with the exception of GetTempPath (but other
-  // things will surely break if the temp path is too long, so we don't bother
-  // handling it.
-  wchar_t system_buffer[MAX_PATH];
-  system_buffer[0] = 0;
-
   std::wstring cur;
   switch (key) {
-    case base::FILE_EXE:
-      GetModuleFileName(NULL, system_buffer, MAX_PATH);
-      cur = system_buffer;
-      break;
-    case base::FILE_MODULE: {
-      // the resource containing module is assumed to be the one that
-      // this code lives in, whether that's a dll or exe
-      MEMORY_BASIC_INFORMATION info = { 0 };
-      VirtualQuery(reinterpret_cast<void*>(&handle_lookup),
-                   &info, sizeof(info));
-      // Module handles are just the allocation base address of the module.
-      HMODULE this_module = reinterpret_cast<HMODULE>(info.AllocationBase);
-      GetModuleFileName(this_module, system_buffer, MAX_PATH);
-      cur = system_buffer;
-      break;
-    }
     case base::DIR_EXE:
-      PathProvider(base::FILE_EXE, &cur);
+      PathService::Get(base::FILE_EXE, &cur);
       file_util::TrimFilename(&cur);
       break;
     case base::DIR_MODULE:
-      PathProvider(base::FILE_MODULE, &cur);
+      PathService::Get(base::FILE_MODULE, &cur);
       file_util::TrimFilename(&cur);
       break;
     case base::DIR_TEMP:
       if (!file_util::GetTempDir(&cur))
         return false;
       break;
-    case base::DIR_WINDOWS:
-      GetWindowsDirectory(system_buffer, MAX_PATH);
-      cur = system_buffer;
-      break;
-    case base::DIR_SYSTEM:
-      GetSystemDirectory(system_buffer, MAX_PATH);
-      cur = system_buffer;
-      break;
-    case base::DIR_PROGRAM_FILES:
-      if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL,
-                                 SHGFP_TYPE_CURRENT, system_buffer)))
-        return false;
-      cur = system_buffer;
-      break;
     case base::DIR_SOURCE_ROOT:
       // By default, unit tests execute two levels deep from the source root.
       // For example:  chrome/{Debug|Release}/ui_tests.exe
@@ -101,45 +58,6 @@
       file_util::UpOneDirectory(&cur);
       file_util::UpOneDirectory(&cur);
       break;
-    case base::DIR_APP_DATA:
-      if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
-                                 system_buffer)))
-        return false;
-      cur = system_buffer;
-      break;
-    case base::DIR_LOCAL_APP_DATA_LOW:
-      // TODO(nsylvain): We should use SHGetKnownFolderPath instead. Bug 1281128
-      if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
-                                 system_buffer)))
-        return false;
-      cur = system_buffer;
-      file_util::UpOneDirectory(&cur);
-      file_util::AppendToPath(&cur, L"LocalLow");
-      break;
-    case base::DIR_LOCAL_APP_DATA:
-      if (FAILED(SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL,
-                                 SHGFP_TYPE_CURRENT, system_buffer)))
-        return false;
-      cur = system_buffer;
-      break;
-    case base::DIR_IE_INTERNET_CACHE:
-      if (FAILED(SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL,
-                                 SHGFP_TYPE_CURRENT, system_buffer)))
-        return false;
-      cur = system_buffer;
-      break;
-    case base::DIR_COMMON_START_MENU:
-      if (FAILED(SHGetFolderPath(NULL, CSIDL_COMMON_PROGRAMS, NULL,
-                                 SHGFP_TYPE_CURRENT, system_buffer)))
-        return false;
-      cur = system_buffer;
-      break;
-    case base::DIR_START_MENU:
-      if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAMS, NULL,
-                                 SHGFP_TYPE_CURRENT, system_buffer)))
-        return false;
-      cur = system_buffer;
-      break;
     default:
       return false;
   }