1 files changed, 11 insertions, 0 deletions
diff --git a/libs/hwui/TreeInfo.h b/libs/hwui/TreeInfo.h
index 0fc0cef76fef..f67e43406815 100644
--- a/libs/hwui/TreeInfo.h
+++ b/libs/hwui/TreeInfo.h
@@ -16,6 +16,8 @@
 #ifndef TREEINFO_H
 #define TREEINFO_H
 
+#include <string>
+
 #include <utils/Timers.h>
 
 #include "DamageAccumulator.h"
@@ -35,6 +37,13 @@ protected:
     ~AnimationHook() {}
 };
 
+class ErrorHandler {
+public:
+    virtual void onError(const std::string& message) = 0;
+protected:
+    ~ErrorHandler() {}
+};
+
 // This would be a struct, but we want to PREVENT_COPY_AND_ASSIGN
 class TreeInfo {
     PREVENT_COPY_AND_ASSIGN(TreeInfo);
@@ -65,6 +74,7 @@ public:
         , prepareTextures(mode == MODE_FULL)
         , damageAccumulator(NullDamageAccumulator::instance())
         , renderer(0)
+        , errorHandler(0)
     {}
 
     const TraversalMode mode;
@@ -78,6 +88,7 @@ public:
     // The renderer that will be drawing the next frame. Use this to push any
     // layer updates or similar. May be NULL.
     OpenGLRenderer* renderer;
+    ErrorHandler* errorHandler;
 
     struct Out {
         Out()