Update from https://crrev.com/302630

cc/resources/resource_provider.cc

Index: cc/resources/resource_provider.cc
diff --git a/cc/resources/resource_provider.cc b/cc/resources/resource_provider.cc
index 58023831f2e45bcc848e58f64ab7bc3a7c5dc158..023a1cdbf068832875073a5601c29420043d74b5 100644
--- a/cc/resources/resource_provider.cc
+++ b/cc/resources/resource_provider.cc
@@ -1125,6 +1125,8 @@ SkSurface* ResourceProvider::ScopedWriteLockGr::GetSkSurface(
     desc.fTextureHandle = resource_->gl_id;
     skia::RefPtr<GrTexture> gr_texture =
         skia::AdoptRef(gr_context->wrapBackendTexture(desc));
+    if (!gr_texture)
+      return nullptr;
     SkSurface::TextRenderMode text_render_mode =
         use_distance_field_text ? SkSurface::kDistanceField_TextRenderMode
                                 : SkSurface::kStandard_TextRenderMode;