Ensure that the DirectWrite font cache works in Chrome canary on Windows 8+ with AppContainer prote…

sandbox/win/src/sandbox_policy_base.cc

Index: sandbox/win/src/sandbox_policy_base.cc
diff --git a/sandbox/win/src/sandbox_policy_base.cc b/sandbox/win/src/sandbox_policy_base.cc
index f5ed7e4d7325db58d8a76268050389545a81e5a9..a16b0d81d6b01dc6cd1befbe0fa1d4413957cf3d 100644
--- a/sandbox/win/src/sandbox_policy_base.cc
+++ b/sandbox/win/src/sandbox_policy_base.cc
@@ -423,6 +423,14 @@ ResultCode PolicyBase::AddKernelObjectToClose(const base::char16* handle_type,
   return handle_closer_.AddHandle(handle_type, handle_name);
 }
 
+void PolicyBase::AddHandleToShare(HANDLE handle) {
+  handles_to_share_.push_back(handle);
+}
+
+HandleList PolicyBase::GetHandlesBeingShared() {
+  return handles_to_share_;
+}
+
 // When an IPC is ready in any of the targets we get called. We manage an array
 // of IPC dispatchers which are keyed on the IPC tag so we normally delegate
 // to the appropriate dispatcher unless we can handle the IPC call ourselves.