1 files changed, 17 insertions, 2 deletions

diff --git a/include/gpu/SkMesaGLContext.h b/include/gpu/SkMesaGLContext.h
index 4351f66f33..b7578f367b 100644
--- a/include/gpu/SkMesaGLContext.h
+++ b/include/gpu/SkMesaGLContext.h
@@ -13,6 +13,9 @@
 #if SK_MESA
 
 class SkMesaGLContext : public SkGLContext {
+private:
+    typedef intptr_t Context;
+
 public:
     SkMesaGLContext();
 
@@ -20,16 +23,28 @@ public:
 
     virtual void makeCurrent() const SK_OVERRIDE;
 
+    class AutoContextRestore {
+    public:
+        AutoContextRestore();
+        ~AutoContextRestore();
+
+    private:
+        Context fOldContext;
+        GLint   fOldWidth;
+        GLint   fOldHeight;
+        GLint   fOldFormat;
+        void*   fOldImage;
+    };
+
 protected:
     virtual const GrGLInterface* createGLContext() SK_OVERRIDE;
     void destroyGLContext() SK_OVERRIDE;
 
 private:
-    typedef intptr_t Context;
     Context fContext;
     GrGLubyte *fImage;
 };
 
 #endif
 
-#endif
\ No newline at end of file
+#endif