Remove WGC3D::isContextLost references from cc

cc/output/delegating_renderer.cc

 // Copyright 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 "cc/output/delegating_renderer.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 131 matching lines @@
 
 void DelegatingRenderer::ReceiveSwapBuffersAck(
     const CompositorFrameAck& ack) {
   resource_provider_->ReceiveReturnsFromParent(ack.resources);
 }
 
 bool DelegatingRenderer::IsContextLost() {
   ContextProvider* context_provider = output_surface_->context_provider();
   if (!context_provider)
     return false;
-  return context_provider->Context3d()->getGraphicsResetStatusARB() !=
-         GL_NO_ERROR;
+  return context_provider->IsContextLost();
 }
 
 void DelegatingRenderer::SetVisible(bool visible) {
   if (visible == visible_)
     return;
 
   visible_ = visible;
   ContextProvider* context_provider = output_surface_->context_provider();
   if (!visible_) {
     TRACE_EVENT0("cc", "DelegatingRenderer::SetVisible dropping resources");
@@ skipping 22 matching lines @@
   gpu::ManagedMemoryStats stats;
   stats.bytes_required = bytes_visible;
   stats.bytes_nice_to_have = bytes_visible_and_nearby;
   stats.bytes_allocated = bytes_allocated;
   stats.backbuffer_requested = false;
 
   context_provider->ContextSupport()->SendManagedMemoryStats(stats);
 }
 
 }  // namespace cc