cc: Set the mapped memory reclaim limit for the renderer compositor on Android

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 62fd261ef8251a054c282a84d25ce12460a571ff..9d0bbe3d33eaf7d79242cf861173aba5c2e15606 100644
--- a/cc/trees/layer_tree_settings.cc
+++ b/cc/trees/layer_tree_settings.cc
@@ -57,7 +57,8 @@ LayerTreeSettings::LayerTreeSettings()
       strict_layer_property_change_checking(false),
       use_map_image(false),
       compositor_name("ChromiumCompositor"),
-      ignore_root_layer_flings(false) {
+      ignore_root_layer_flings(false),
+      max_bytes_pending_upload(0) {
   // TODO(danakj): Renable surface caching when we can do it more realiably.
   // crbug.com/170713
   cache_render_pass_contents = false;