Update from https://crrev.com/307330

cc/trees/layer_tree_settings.cc

Index: cc/trees/layer_tree_settings.cc
diff --git a/cc/trees/layer_tree_settings.cc b/cc/trees/layer_tree_settings.cc
index ab44a66a1078452b8dbd63e1d2db27cecd0f8deb..508e7ea68dec349670a6abb4c8dad2c6a32808ed 100644
--- a/cc/trees/layer_tree_settings.cc
+++ b/cc/trees/layer_tree_settings.cc
@@ -4,6 +4,7 @@
 
 #include "cc/trees/layer_tree_settings.h"
 
+#include <GLES2/gl2.h>
 #include <limits>
 
 #include "base/command_line.h"
@@ -60,13 +61,12 @@ LayerTreeSettings::LayerTreeSettings()
       strict_layer_property_change_checking(false),
       use_one_copy(false),
       use_zero_copy(false),
-      use_image_external(false),
+      use_image_texture_target(GL_TEXTURE_2D),
       ignore_root_layer_flings(false),
       scheduled_raster_task_limit(32),
       use_occlusion_for_tile_prioritization(false),
       record_full_layer(false),
-      use_display_lists(false),
-      main_thread_should_always_be_low_latency(false) {
+      use_display_lists(false) {
 }
 
 LayerTreeSettings::~LayerTreeSettings() {}