diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/gpu/gl/GrGLVertexBuffer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/gpu/gl/GrGLVertexBuffer.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrGLVertexBuffer.h"
+#include "GrGpuGL.h"
+
+GrGLVertexBuffer::GrGLVertexBuffer(GrGpuGL* gpu, const Desc& desc)
+    : INHERITED(gpu, desc.fIsWrapped, desc.fSizeInBytes, desc.fDynamic, 0 == desc.fID)
+    , fImpl(gpu, desc, GR_GL_ARRAY_BUFFER) {
+}
+
+void GrGLVertexBuffer::onRelease() {
+    if (this->isValid()) {
+        fImpl.release(this->getGpuGL());
+    }
+
+    INHERITED::onRelease();
+}
+
+
+void GrGLVertexBuffer::onAbandon() {
+    fImpl.abandon();
+    INHERITED::onAbandon();
+}
+
+void* GrGLVertexBuffer::lock() {
+    if (this->isValid()) {
+        return fImpl.lock(this->getGpuGL());
+    } else {
+        return NULL;
+    }
+}
+
+void* GrGLVertexBuffer::lockPtr() const {
+    return fImpl.lockPtr();
+}
+
+void GrGLVertexBuffer::unlock() {
+    if (this->isValid()) {
+        fImpl.unlock(this->getGpuGL());
+    }
+}
+
+bool GrGLVertexBuffer::isLocked() const {
+    return fImpl.isLocked();
+}
+
+bool GrGLVertexBuffer::updateData(const void* src, size_t srcSizeInBytes) {
+    if (this->isValid()) {
+        return fImpl.updateData(this->getGpuGL(), src, srcSizeInBytes);
+    } else {
+        return false;
+    }
+}