Update Mac notification tray behavior.

ui/resources/ui_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit latest_public_release="0" current_release="1">
   <outputs>
     <output filename="grit/ui_resources.h" type="rc_header" context="default_100_percent">
       <emit emit_type='prepend'></emit>
     </output>
     <output filename="grit/ui_resources_map.cc" type="resource_map_source" context="default_100_percent" />
     <output filename="grit/ui_resources_map.h" type="resource_map_header" context="default_100_percent" />
     <!-- TODO(oshima): Remove gfx_resources.pak once DumpRenderTree.gyp
          is updated. -->
@@ skipping 432 matching lines @@
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_BOTTOM_LEFT" file="common/textbutton_pressed_bottom_left.png" />
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_BOTTOM_RIGHT" file="common/textbutton_pressed_bottom_right.png" />
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_CENTER" file="common/textbutton_pressed_center.png" />
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_LEFT" file="common/textbutton_pressed_left.png" />
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_RIGHT" file="common/textbutton_pressed_right.png" />
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_TOP" file="common/textbutton_pressed_top.png" />
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_TOP_LEFT" file="common/textbutton_pressed_top_left.png" />
       <structure type="chrome_scaled_image" name="IDR_TEXTBUTTON_PRESSED_TOP_RIGHT" file="common/textbutton_pressed_top_right.png" />
       <structure type="chrome_scaled_image" name="IDR_THROBBER" file="throbber.png" />
       <if expr="is_macosx">
-        <structure type="chrome_scaled_image" name="IDR_TRAY_ICON_PRESSED" file="mac/tray_icon_pressed.png"/>
-        <structure type="chrome_scaled_image" name="IDR_TRAY_ICON_REGULAR" file="mac/tray_icon_regular.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_EMPTY" file="mac/notification_tray_empty.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_EMPTY_PRESSED" file="mac/notification_tray_empty_pressed.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_DO_NOT_DISTURB_EMPTY" file="mac/notification_tray_do_not_disturb_empty.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_DO_NOT_DISTURB_EMPTY_PRESSED" file="mac/notification_tray_do_not_disturb_empty_pressed.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_ATTENTION_PRESSED" file="mac/notification_tray_attention_pressed.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_DO_NOT_DISTURB_ATTENTION_PRESSED" file="mac/notification_tray_do_not_disturb_attention_pressed.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_ATTENTION" file="mac/notification_tray_attention.png"/>
+        <structure type="chrome_scaled_image" name="IDR_TRAY_DO_NOT_DISTURB_ATTENTION" file="mac/notification_tray_do_not_disturb_attention.png"/>

[Nico, 2013/07/31 02:40:56]

Order these 8 lines alphabetically (DND_ATT should be right before
DND_ATT_PRESSED)

[dewittj, 2013/07/31 21:58:41]

Done.

       </if>
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BOTTOM_CENTER" file="common/window_bottom_center.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BOTTOM_LEFT_CORNER" file="common/window_bottom_left_corner.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BOTTOM_RIGHT_CORNER" file="common/window_bottom_right_corner.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_LEFT_SIDE" file="common/window_left_side.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_RIGHT_SIDE" file="common/window_right_side.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_TOP_CENTER" file="common/window_top_center.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_TOP_LEFT_CORNER" file="common/window_top_left_corner.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_TOP_RIGHT_CORNER" file="common/window_top_right_corner.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_BIG_BOTTOM" file="common/window_bubble_shadow_big_bottom.png" />
@@ skipping 16 matching lines @@
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SMALL_TOP" file="common/window_bubble_shadow_small_top.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SMALL_TOP_LEFT" file="common/window_bubble_shadow_small_top_left.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SMALL_TOP_RIGHT" file="common/window_bubble_shadow_small_top_right.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SPIKE_SMALL_BOTTOM" file="common/window_bubble_shadow_spike_small_bottom.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SPIKE_SMALL_LEFT" file="common/window_bubble_shadow_spike_small_left.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SPIKE_SMALL_RIGHT" file="common/window_bubble_shadow_spike_small_right.png" />
       <structure type="chrome_scaled_image" name="IDR_WINDOW_BUBBLE_SHADOW_SPIKE_SMALL_TOP" file="common/window_bubble_shadow_spike_small_top.png" />
     </structures>
   </release>
 </grit>