Split GrResource into GrCacheable/GrGpuObject

src/gpu/gl/GrGLVertexBuffer.cpp

 /*
  * 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()) {
+    if (!this->wasDestroyed()) {
         fImpl.release(this->getGpuGL());
     }
 
     INHERITED::onRelease();
 }
 
 
 void GrGLVertexBuffer::onAbandon() {
     fImpl.abandon();
     INHERITED::onAbandon();
 }
 
 void* GrGLVertexBuffer::lock() {
-    if (this->isValid()) {
+    if (!this->wasDestroyed()) {
         return fImpl.lock(this->getGpuGL());
     } else {
         return NULL;
     }
 }
 
 void* GrGLVertexBuffer::lockPtr() const {
     return fImpl.lockPtr();
 }
 
 void GrGLVertexBuffer::unlock() {
-    if (this->isValid()) {
+    if (!this->wasDestroyed()) {
         fImpl.unlock(this->getGpuGL());
     }
 }
 
 bool GrGLVertexBuffer::isLocked() const {
     return fImpl.isLocked();
 }
 
 bool GrGLVertexBuffer::updateData(const void* src, size_t srcSizeInBytes) {
-    if (this->isValid()) {
+    if (!this->wasDestroyed()) {
         return fImpl.updateData(this->getGpuGL(), src, srcSizeInBytes);
     } else {
         return false;
     }
 }