chromeos: Check both original and absolute paths for file: scheme

net/base/network_delegate_impl.h

Index: net/base/network_delegate_impl.h
diff --git a/net/base/network_delegate_impl.h b/net/base/network_delegate_impl.h
index 8acdd72a027d2410be113dabc86caec3fe3e0750..fd6f764bf2665633232bbc50f4b18735d56c2a7d 100644
--- a/net/base/network_delegate_impl.h
+++ b/net/base/network_delegate_impl.h
@@ -182,10 +182,13 @@ class NET_EXPORT NetworkDelegateImpl : public NetworkDelegate {
                       CookieOptions* options) override;
 
   // Called when a file access is attempted to allow the network delegate to
-  // allow or block access to the given file path.  Returns true if access is
-  // allowed.
+  // allow or block access to the given file path, provided in the original
+  // and absolute forms (i.e. symbolic link is resolved). It's up to the sub
+  // class to decide which path to use for checking. Returns true if access
+  // is allowed.

[mmenke, 2017/04/18 17:24:45]

same comment as in other file...  Or better, just remove all comments from this
file, as they're redundant with the other one.  If you prefer not to do that in
this CL, that's fine.

[satorux1, 2017/04/21 08:05:37]

Let me do it in a separate patch.

   bool OnCanAccessFile(const URLRequest& request,
-                       const base::FilePath& path) const override;
+                       const base::FilePath& original_path,
+                       const base::FilePath& absolute_path) const override;
 
   // Returns true if the given |url| has to be requested over connection that
   // is not tracked by the server. Usually is false, unless user privacy