Consolidate GPU buffer implementations

src/gpu/gl/GrGLIndexBuffer.cpp

Index: src/gpu/gl/GrGLIndexBuffer.cpp
diff --git a/src/gpu/gl/GrGLIndexBuffer.cpp b/src/gpu/gl/GrGLIndexBuffer.cpp
deleted file mode 100644
index 5a794ad8240659a61957e0622837447022a5f2e1..0000000000000000000000000000000000000000
--- a/src/gpu/gl/GrGLIndexBuffer.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * 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 "GrGLIndexBuffer.h"
-#include "GrGLGpu.h"
-#include "SkTraceMemoryDump.h"
-
-GrGLIndexBuffer::GrGLIndexBuffer(GrGLGpu* gpu, const Desc& desc)
-    : INHERITED(gpu, desc.fSizeInBytes, GrGLBufferImpl::kDynamicDraw_Usage == desc.fUsage,
-                0 == desc.fID)
-    , fImpl(gpu, desc, GR_GL_ELEMENT_ARRAY_BUFFER) {
-    this->registerWithCache();
-}
-
-void GrGLIndexBuffer::onRelease() {
-    if (!this->wasDestroyed()) {
-        fImpl.release(this->getGpuGL());
-    }
-
-    INHERITED::onRelease();
-}
-
-void GrGLIndexBuffer::onAbandon() {
-    fImpl.abandon();
-    INHERITED::onAbandon();
-}
-
-void* GrGLIndexBuffer::onMap() {
-    if (!this->wasDestroyed()) {
-        return fImpl.map(this->getGpuGL());
-    } else {
-        return nullptr;
-    }
-}
-
-void GrGLIndexBuffer::onUnmap() {
-    if (!this->wasDestroyed()) {
-        fImpl.unmap(this->getGpuGL());
-    }
-}
-
-bool GrGLIndexBuffer::onUpdateData(const void* src, size_t srcSizeInBytes) {
-    if (!this->wasDestroyed()) {
-        return fImpl.updateData(this->getGpuGL(), src, srcSizeInBytes);
-    } else {
-        return false;
-    }
-}
-
-void GrGLIndexBuffer::setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
-                                       const SkString& dumpName) const {
-    SkString buffer_id;
-    buffer_id.appendU32(this->bufferID());
-    traceMemoryDump->setMemoryBacking(dumpName.c_str(), "gl_buffer",
-                                      buffer_id.c_str());
-}