Set OS X cache directory to ~/Library/Caches/[app name]/[profile name]

base/file_path.h

Index: base/file_path.h
diff --git a/base/file_path.h b/base/file_path.h
index b6086514f284f44ae6f493678bb5cb3ef72f34c4..6b5910e065f83255ca28b3bdef24e0a5c4fb9d4a 100644
--- a/base/file_path.h
+++ b/base/file_path.h
@@ -151,6 +151,16 @@ class FilePath {
   // parent.
   bool IsParent(const FilePath& child) const;
 
+  // If IsParent(child) holds, appends to path (if non-NULL) the
+  // relative path to child and returns true.  For example, if parent
+  // holds "/Users/johndoe/Application Support", child holds

[Mark Mentovai, 2009/09/16 18:33:41]

Might be nice to put Library in here to make it more real-world-ish, but this is
much easier to follow now with a real example.

+  // "/Users/johndoe/Application Support/Google/Chrome/Default", and
+  // *path holds "/Users/johndoe/Caches", then after
+  // parent.AppendRelativePath(child, path) is called *path will hold
+  // "/Users/johndoe/Caches/Google/Chrome/Default".  Otherwise,
+  // returns false.
+  bool AppendRelativePath(const FilePath& child, FilePath* path) const;
+
   // Returns a FilePath corresponding to the directory containing the path
   // named by this object, stripping away the file component.  If this object
   // only contains one component, returns a FilePath identifying