diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/gpu/gl/debug/GrBufferObj.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/gpu/gl/debug/GrBufferObj.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrBufferObj.h"
+
+void GrBufferObj::allocate(GrGLsizeiptr size, const GrGLchar *dataPtr) {
+    GrAlwaysAssert(size >= 0);
+
+    // delete pre-existing data
+    delete[] fDataPtr;
+
+    fSize = size;
+    fDataPtr = new GrGLchar[size];
+    if (dataPtr) {
+        memcpy(fDataPtr, dataPtr, fSize);
+    }
+    // TODO: w/ no dataPtr the data is unitialized - this could be tracked
+}
+
+void GrBufferObj::deleteAction() {
+
+    // buffers are automatically unmapped when deleted
+    this->resetMapped();
+
+    this->INHERITED::deleteAction();
+}