make bubble_border to use resources under ui/resources.

chrome/app/theme/theme_resources_standard.grd

Index: chrome/app/theme/theme_resources_standard.grd
diff --git a/chrome/app/theme/theme_resources_standard.grd b/chrome/app/theme/theme_resources_standard.grd
index 9a15c8c1868c6d9665331de64868c51d704a2fa3..4cf171d6598c1132a6153b8d4b6e55976b2c7157 100644
--- a/chrome/app/theme/theme_resources_standard.grd
+++ b/chrome/app/theme/theme_resources_standard.grd
@@ -40,18 +40,6 @@
         <include name="IDR_BROWSER_ACTIONS_OVERFLOW_H" file="browser_actions_overflow_win_h.png" type="BINDATA" />
         <include name="IDR_BROWSER_ACTIONS_OVERFLOW_P" file="browser_actions_overflow_win_p.png" type="BINDATA" />
       </if>
-      <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" />
       <include name="IDR_CLOSE_BAR" file="close_bar.png" type="BINDATA" />
       <include name="IDR_CLOSE_BAR_H" file="close_bar_h.png" type="BINDATA" />
       <include name="IDR_CLOSE_BAR_MASK" file="close_bar_mask.png" type="BINDATA" />