Create a new GrGLInterface for each GrContext so callback can be used to set GL-context

webkit/gpu/webgraphicscontext3d_in_process_impl.cc

 // Copyright (c) 2011 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 "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 1534 matching lines @@
   makeContextCurrent();
   glDeleteTextures(1, &texture);
 }
 
 WGC3Denum WebGraphicsContext3DInProcessImpl::getGraphicsResetStatusARB() {
   // TODO(kbr): this implementation doesn't support lost contexts yet.
   return GL_NO_ERROR;
 }
 
 #if WEBKIT_USING_SKIA
-GrGLInterface* WebGraphicsContext3DInProcessImpl::grGLInterface() {
-  return gfx::GetInProcessSkiaGLBinding();
+GrGLInterface* WebGraphicsContext3DInProcessImpl::onCreateGrGLInterface() {
+  return gfx::CreateInProcessSkiaGLBinding();
 }
 #endif
 
 bool WebGraphicsContext3DInProcessImpl::AngleCreateCompilers() {
   if (!ShInitialize())
     return false;
 
   ShBuiltInResources resources;
   ShInitBuiltInResources(&resources);
   getIntegerv(GL_MAX_VERTEX_ATTRIBS, &resources.MaxVertexAttribs);
@@ skipping 63 matching lines @@
   if (length > 1) {
     entry->translated_source.reset(new char[length]);
     ShGetObjectCode(compiler, entry->translated_source.get());
   }
   entry->is_valid = true;
   return true;
 }
 
 }  // namespace gpu
 }  // namespace webkit