Use FilePath::DirName instead of the deprecated file_util::GetDirectoryFromPath.

chrome/installer/util/lzma_util.cc

Index: chrome/installer/util/lzma_util.cc
diff --git a/chrome/installer/util/lzma_util.cc b/chrome/installer/util/lzma_util.cc
index 8f36b5fd47f0477b440ca7ddb931fa12f3f50612..de145d9981bbb82f935a0d93be5d3b3220c22251 100644
--- a/chrome/installer/util/lzma_util.cc
+++ b/chrome/installer/util/lzma_util.cc
@@ -159,22 +159,21 @@ DWORD LzmaUtil::UnPack(const std::wstring& location,
     }
 
     // Append location to the file path in archive, to get full path.
-    std::wstring wfileName(location);
-    file_util::AppendToPath(&wfileName, UTF8ToWide(f->Name));
+    FilePath file_path(location);
+    file_path = file_path.Append(UTF8ToWide(f->Name));

[Evan Martin, 2011/01/07 00:16:54]

Can write these lines as

FilePath file_path = FilePath(location).Append(UTF8ToWide(f->Name));

might be easier to read.  And I'd maybe remove the comment in L161 since it's
kind of obvious.

[tfarina, 2011/01/07 00:20:25]

Done.

     if (output_file)
-      *output_file = wfileName;
+      *output_file = file_path.value();
 
     // If archive entry is directory create it and move on to the next entry.
     if (f->IsDirectory) {
-      file_util::CreateDirectory(FilePath(wfileName));
+      file_util::CreateDirectory(file_path);
       continue;
     }
 
-    HANDLE hFile;
-    std::wstring directory = file_util::GetDirectoryFromPath(wfileName);
-    file_util::CreateDirectory(FilePath(directory));
+    file_util::CreateDirectory(file_path.DirName());
 
-    hFile = CreateFile(wfileName.c_str(), GENERIC_WRITE, 0, NULL,
+    HANDLE hFile;
+    hFile = CreateFile(file_path.value().c_str(), GENERIC_WRITE, 0, NULL,
                        CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
     if (hFile == INVALID_HANDLE_VALUE)  {
       ret = GetLastError();