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

gpu/blink/webgraphicscontext3d_in_process_command_buffer_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_in_process_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 #include <utility>
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
@@ skipping 118 matching lines @@
     base::Closure context_lost_callback = base::Bind(
         &WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost,
         base::Unretained(this));
     context_->SetContextLostCallback(context_lost_callback);
   } else {
     initialize_failed_ = true;
     return false;
   }
 
   real_gl_ = context_->GetImplementation();
-  setGLInterface(real_gl_);
+  SetGLInterface(real_gl_);
 
   real_gl_->TraceBeginCHROMIUM("WebGraphicsContext3D",
                                "InProcessContext");
 
   initialized_ = true;
   return true;
 }
 
 bool
 WebGraphicsContext3DInProcessCommandBufferImpl::InitializeOnCurrentThread() {
   if (!MaybeInitializeGL())
     return false;
-  return context_ && !isContextLost();
+  return context_ &&
+         context_->GetImplementation()->GetGraphicsResetStatusKHR() ==
+             GL_NO_ERROR;
 }
 
 void WebGraphicsContext3DInProcessCommandBufferImpl::SetLock(base::Lock* lock) {
   context_->SetLock(lock);
 }
 
 ::gpu::ContextSupport*
 WebGraphicsContext3DInProcessCommandBufferImpl::GetContextSupport() {
   return real_gl_;
 }
 
 void WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost() {
   if (context_lost_callback_) {
     context_lost_callback_->onContextLost();
   }
 }
 
 }  // namespace gpu_blink