Remove ContextProvider::IsContextLost.

content/renderer/media/renderer_gpu_video_accelerator_factories.cc

Index: content/renderer/media/renderer_gpu_video_accelerator_factories.cc
diff --git a/content/renderer/media/renderer_gpu_video_accelerator_factories.cc b/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
index e7efe2904e28171b8f0cee2cb82a3daedec625dc..7ae9ab6d44a44fc29f38574f6e89c86742d2683a 100644
--- a/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
+++ b/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
@@ -66,7 +66,8 @@ RendererGpuVideoAcceleratorFactories::GetContext3d() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (!context_provider_.get())
     return NULL;
-  if (context_provider_->IsContextLost()) {
+  if (context_provider_->ContextGL()->GetGraphicsResetStatusKHR() !=
+      GL_NO_ERROR) {
     context_provider_->VerifyContexts();
     context_provider_ = NULL;
     gl_helper_.reset(NULL);