remove useless APIs in WGC3DImpl

gpu/blink/webgraphicscontext3d_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/blink/webgraphicscontext3d_impl.h"
 
 #include "base/atomicops.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "gpu/GLES2/gl2extchromium.h"
@@ skipping 691 matching lines @@
     WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized,
     WGC3Dsizei stride, WGC3Dintptr offset) {
   gl_->VertexAttribPointer(
       index, size, type, normalized, stride,
       reinterpret_cast<void*>(static_cast<intptr_t>(offset)));
 }
 
 DELEGATE_TO_GL_4(viewport, Viewport,
                  WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei)
 
-DELEGATE_TO_GL_2(genBuffers, GenBuffers, WGC3Dsizei, WebGLId*);
-
-DELEGATE_TO_GL_2(genFramebuffers, GenFramebuffers, WGC3Dsizei, WebGLId*);
-
-DELEGATE_TO_GL_2(genRenderbuffers, GenRenderbuffers, WGC3Dsizei, WebGLId*);
-
-DELEGATE_TO_GL_2(genTextures, GenTextures, WGC3Dsizei, WebGLId*);
-
-DELEGATE_TO_GL_2(deleteBuffers, DeleteBuffers, WGC3Dsizei, WebGLId*);
-
-DELEGATE_TO_GL_2(deleteFramebuffers, DeleteFramebuffers, WGC3Dsizei, WebGLId*);
-
-DELEGATE_TO_GL_2(deleteRenderbuffers, DeleteRenderbuffers, WGC3Dsizei,
-                 WebGLId*);
-
-DELEGATE_TO_GL_2(deleteTextures, DeleteTextures, WGC3Dsizei, WebGLId*);
-
 WebGLId WebGraphicsContext3DImpl::createBuffer() {
   GLuint o;
   gl_->GenBuffers(1, &o);
   return o;
 }
 
 WebGLId WebGraphicsContext3DImpl::createFramebuffer() {
   GLuint o = 0;
   gl_->GenFramebuffers(1, &o);
   return o;
@@ skipping 287 matching lines @@
   output_attribs->depth_size = attributes.depth ? 24 : 0;
   output_attribs->stencil_size = attributes.stencil ? 8 : 0;
   output_attribs->samples = attributes.antialias ? 4 : 0;
   output_attribs->sample_buffers = attributes.antialias ? 1 : 0;
   output_attribs->fail_if_major_perf_caveat =
       attributes.failIfMajorPerformanceCaveat;
   output_attribs->bind_generates_resource = false;
 }
 
 }  // namespace gpu_blink