Remove |highp_threshold_min| from GLRenderer()

cc/test/pixel_test.cc

Index: cc/test/pixel_test.cc
diff --git a/cc/test/pixel_test.cc b/cc/test/pixel_test.cc
index 6abb7968f5c466e644f006956ec68f36e6ae8e51..f8bbbffd995f778e456a90c534fe5e2c41c390de 100644
--- a/cc/test/pixel_test.cc
+++ b/cc/test/pixel_test.cc
@@ -181,7 +181,7 @@ void PixelTest::SetUpGLRenderer(bool use_skia_gpu_backend,
 
   renderer_ = base::MakeUnique<GLRenderer>(
       &settings_.renderer_settings, output_surface_.get(),
-      resource_provider_.get(), texture_mailbox_deleter_.get(), 0);
+      resource_provider_.get(), texture_mailbox_deleter_.get());
   renderer_->Initialize();
   renderer_->SetVisible(true);
 }