make bubble_border to use resources under ui/resources.

ui/resources/ui_resources.grd

Index: ui/resources/ui_resources.grd
diff --git a/ui/resources/ui_resources.grd b/ui/resources/ui_resources.grd
index 15dfaac62a404b199acfd3fae928e8c508bb4cfd..25a46d2641e3ead745f939a86b0c03ad848476f7 100644
--- a/ui/resources/ui_resources.grd
+++ b/ui/resources/ui_resources.grd
@@ -108,6 +108,18 @@
       <include name="IDR_WINDOW_TOP_LEFT_CORNER" file="window_top_left_corner.png" type="BINDATA" />
       <include name="IDR_WINDOW_TOP_RIGHT_CORNER" file="window_top_right_corner.png" type="BINDATA" />
 
+      <include name="IDR_BUBBLE_B" file="bubble_b.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_BL" file="bubble_bl.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_BR" file="bubble_br.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_B_ARROW" file="bubble_pointer_b.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_L" file="bubble_l.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_L_ARROW" file="bubble_pointer_l.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_R" file="bubble_r.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_R_ARROW" file="bubble_pointer_r.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_T" file="bubble_t.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_TL" file="bubble_tl.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_TR" file="bubble_tr.png" type="BINDATA" />
+      <include name="IDR_BUBBLE_T_ARROW" file="bubble_pointer_t.png" type="BINDATA" />
       <!-- Images only used by the Views toolkit. -->
       <if expr="pp_ifdef('toolkit_views')">
         <include name="IDR_APP_TOP_LEFT" file="app_top_left.png" type="BINDATA" />