[Contextual Search] Add a handle to the bar when Chrome Home is enabled

chrome/browser/android/compositor/layer/overlay_panel_layer.h

Index: chrome/browser/android/compositor/layer/overlay_panel_layer.h
diff --git a/chrome/browser/android/compositor/layer/overlay_panel_layer.h b/chrome/browser/android/compositor/layer/overlay_panel_layer.h
index 147def75e0e1051fbe2edc23ef96e0750ce5a860..f842bd5b795822e4f320bd86fa73f7e3887d17dd 100644
--- a/chrome/browser/android/compositor/layer/overlay_panel_layer.h
+++ b/chrome/browser/android/compositor/layer/overlay_panel_layer.h
@@ -28,7 +28,8 @@ class OverlayPanelLayer : public Layer {
                       int panel_shadow_resource_id,
                       int bar_shadow_resource_id,
                       int panel_icon_resource_id,
-                      int close_icon_resource_id);
+                      int close_icon_resource_id,
+                      int handle_resource_id);
 
   void SetProperties(float dp_to_px,
                      const scoped_refptr<cc::Layer>& content_layer,
@@ -45,7 +46,9 @@ class OverlayPanelLayer : public Layer {
                      float bar_border_height,
                      bool bar_shadow_visible,
                      float bar_shadow_opacity,
-                     float close_icon_opacity);
+                     float close_icon_opacity,
+                     float bar_handle_offset_y,
+                     float bar_padding_bottom);
 
   scoped_refptr<cc::Layer> layer() override;
 
@@ -68,12 +71,17 @@ class OverlayPanelLayer : public Layer {
   scoped_refptr<cc::Layer> content_container_;
   scoped_refptr<cc::Layer> text_container_;
   scoped_refptr<cc::SolidColorLayer> bar_border_;
+  scoped_refptr<cc::UIResourceLayer> bar_handle_;
+  scoped_refptr<cc::Layer> bar_content_layer_;
 
   int panel_icon_resource_id_;
   int bar_text_resource_id_;
   int panel_shadow_resource_id_;
   int bar_shadow_resource_id_;
   int close_icon_resource_id_;
+  int bar_handle_resource_id_;
+
+  int bar_content_height_;
 };
 
 }  //  namespace android