Allow each WGC3D subclass to determine the correct GrGLInterface for its GrContext.

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_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.
 
 #if defined(ENABLE_GPU)
 
 #include "webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 #ifndef GL_GLEXT_PROTOTYPES
@@ skipping 572 matching lines @@
 // a context should not pass this string.
 static const char* kWebGLPreferredGLExtensions =
     "GL_OES_packed_depth_stencil "
     "GL_OES_depth24 "
     "GL_CHROMIUM_webglsl";
 
 bool WebGraphicsContext3DInProcessCommandBufferImpl::initialize(
     WebGraphicsContext3D::Attributes attributes,
     WebKit::WebView* web_view,
     bool render_directly_to_web_view) {
-  webkit_glue::BindSkiaToCommandBufferGL();
 
   // Convert WebGL context creation attributes into GLInProcessContext / EGL
   // size requests.
   const int alpha_size = attributes.alpha ? 8 : 0;
   const int depth_size = attributes.depth ? 24 : 0;
   const int stencil_size = attributes.stencil ? 8 : 0;
   const int samples = attributes.antialias ? 4 : 0;
   const int sample_buffers = attributes.antialias ? 1 : 0;
   const int32 attribs[] = {
     GLInProcessContext::ALPHA_SIZE, alpha_size,
@@ skipping 971 matching lines @@
     WebGraphicsContext3D::WebGraphicsContextLostCallback* cb)
 {
   context_lost_callback_ = cb;
 }
 
 WGC3Denum WebGraphicsContext3DInProcessCommandBufferImpl::
     getGraphicsResetStatusARB() {
   return context_lost_reason_;
 }
 
+#if WEBKIT_USING_SKIA
+GrGLInterface* WebGraphicsContext3DInProcessCommandBufferImpl::
+    grGLInterface() {
+  return webkit_glue::GetCommandBufferSkiaGLBinding();
+}
+#endif
+
 void WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost() {
   // TODO(kbr): improve the precision here.
   context_lost_reason_ = GL_UNKNOWN_CONTEXT_RESET_ARB;
   if (context_lost_callback_) {
     context_lost_callback_->onContextLost();
   }
 }
 
 }  // namespace gpu
 }  // namespace webkit
 
 #endif  // defined(ENABLE_GPU)