Make sure only the right processes can access the profile path.

chrome/common/chrome_paths_linux.cc

Index: chrome/common/chrome_paths_linux.cc
diff --git a/chrome/common/chrome_paths_linux.cc b/chrome/common/chrome_paths_linux.cc
index f5d454940b9b71604ea7970fcf1cc116d53dd5e5..b9b546a3308a75e8abe8aa38960e024699e9ab52 100644
--- a/chrome/common/chrome_paths_linux.cc
+++ b/chrome/common/chrome_paths_linux.cc
@@ -9,6 +9,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/nix/xdg_util.h"
+#include "content/public/common/content_switches.h"
 
 namespace {
 
@@ -112,4 +113,11 @@ bool GetUserDesktop(FilePath* result) {
   return true;
 }
 
+bool ProcessNeedsProfileDir(const std::string& process_type) {
+  // For now we have no reason to forbid this on Linux as we don't
+  // have the roaming profile troubles there. Moreover the Linux breakpad needs
+  // profile dir access in all process if enabled on Linux.
+  return true;
+}
+
 }  // namespace chrome