Expose GLES2Interface to blink, and delete isContextLost() from WGC3D.

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 <stdint.h>
 
 #include "base/atomicops.h"
 #include "base/lazy_instance.h"
@@ skipping 1198 matching lines @@
   gl_->VertexAttribIPointer(
       index, size, type, stride,
       reinterpret_cast<void*>(static_cast<intptr_t>(offset)));
 }
 void WebGraphicsContext3DImpl::waitSync(WGC3Dsync sync,
                                         WGC3Dbitfield flags,
                                         WGC3Duint64 timeout) {
   gl_->WaitSync(reinterpret_cast<GLsync>(sync), flags, timeout);
 }
 
-bool WebGraphicsContext3DImpl::isContextLost() {
-  return getGraphicsResetStatusARB() != GL_NO_ERROR;
-}
-
 blink::WGC3Denum WebGraphicsContext3DImpl::getGraphicsResetStatusARB() {
   return gl_->GetGraphicsResetStatusKHR();
 }
 
+::gpu::gles2::GLES2Interface* WebGraphicsContext3DImpl::getGLES2Interface() {
+  return gl_;
+}
+
 ::gpu::gles2::GLES2ImplementationErrorMessageCallback*
     WebGraphicsContext3DImpl::getErrorMessageCallback() {
   if (!client_error_message_callback_) {
     client_error_message_callback_.reset(
         new WebGraphicsContext3DErrorMessageCallback(this));
   }
   return client_error_message_callback_.get();
 }
 
 void WebGraphicsContext3DImpl::OnErrorMessage(
@@ skipping 64 matching lines @@
       output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_WEBGL2;
       break;
     default:
       NOTREACHED();
       output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_OPENGLES2;
       break;
   }
 }
 
 }  // namespace gpu_blink