Fix main thread top controls scrolling to mirror CC.

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 0f53306133004e870e0fbca12970d1156fdd0860..bc85792bf89e99c1ad93ad98bc98804187b70e5d 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -218,8 +218,6 @@ RenderWidget::RenderWidget(CompositorDependencies* compositor_deps,
       webwidget_(nullptr),
       owner_delegate_(nullptr),
       opener_id_(MSG_ROUTING_NONE),
-      top_controls_shrink_blink_size_(false),
-      top_controls_height_(0.f),
       next_paint_flags_(0),
       auto_resize_mode_(false),
       need_update_rect_for_auto_resize_(false),
@@ -515,8 +513,6 @@ void RenderWidget::SetWindowRectSynchronously(
   params.new_size = new_window_rect.size();
   params.physical_backing_size =
       gfx::ScaleToCeiledSize(new_window_rect.size(), device_scale_factor_);
-  params.top_controls_shrink_blink_size = top_controls_shrink_blink_size_;
-  params.top_controls_height = top_controls_height_;
   params.visible_viewport_size = new_window_rect.size();
   params.resizer_rect = gfx::Rect();
   params.is_fullscreen_granted = is_fullscreen_granted_;
@@ -584,9 +580,6 @@ void RenderWidget::OnEnableDeviceEmulation(
     resize_params.new_size = size_;
     resize_params.physical_backing_size = physical_backing_size_;
     resize_params.visible_viewport_size = visible_viewport_size_;
-    resize_params.top_controls_shrink_blink_size =
-        top_controls_shrink_blink_size_;
-    resize_params.top_controls_height = top_controls_height_;
     resize_params.resizer_rect = resizer_rect_;
     resize_params.is_fullscreen_granted = is_fullscreen_granted_;
     resize_params.display_mode = display_mode_;
@@ -1125,8 +1118,6 @@ void RenderWidget::Resize(const ResizeParams& params) {
   size_ = params.new_size;
   physical_backing_size_ = params.physical_backing_size;
 
-  top_controls_shrink_blink_size_ = params.top_controls_shrink_blink_size;
-  top_controls_height_ = params.top_controls_height;
   visible_viewport_size_ = params.visible_viewport_size;
   resizer_rect_ = params.resizer_rect;
 
@@ -1136,9 +1127,6 @@ void RenderWidget::Resize(const ResizeParams& params) {
   is_fullscreen_granted_ = params.is_fullscreen_granted;
   display_mode_ = params.display_mode;
 
-  webwidget_->setTopControlsHeight(params.top_controls_height,
-                                   top_controls_shrink_blink_size_);
-
   if (resized) {
     gfx::Size new_widget_size = size_;
     if (IsUseZoomForDSFEnabled()) {