cc: Remove ReflectedMainFrameState.

cc/trees/layer_tree_host_common.cc

Index: cc/trees/layer_tree_host_common.cc
diff --git a/cc/trees/layer_tree_host_common.cc b/cc/trees/layer_tree_host_common.cc
index 8fcfccb40fc134d241b735e252a32bc00f60c940..e7c1f0f76df98791b75cc42135adbea4a8436543 100644
--- a/cc/trees/layer_tree_host_common.cc
+++ b/cc/trees/layer_tree_host_common.cc
@@ -182,10 +182,6 @@ bool LayerTreeHostCommon::ScrollbarsUpdateInfo::operator==(
   return layer_id == other.layer_id && hidden == other.hidden;
 }
 
-ReflectedMainFrameState::ReflectedMainFrameState() : page_scale_delta(1.0f) {}
-
-ReflectedMainFrameState::~ReflectedMainFrameState() = default;
-
 ScrollAndScaleSet::ScrollAndScaleSet()
     : page_scale_delta(1.f), top_controls_delta(0.f) {
 }