Adds a first-run balloon to the Windows notification center.

ui/base/strings/ui_strings.grd

Index: ui/base/strings/ui_strings.grd
diff --git a/ui/base/strings/ui_strings.grd b/ui/base/strings/ui_strings.grd
index 0cec6ed0c3e8e65de0fb2f20c8f054bc1a07f1f8..0c4f59b6d70b4e892caa7cc924244ceb0df49aaf 100644
--- a/ui/base/strings/ui_strings.grd
+++ b/ui/base/strings/ui_strings.grd
@@ -488,6 +488,12 @@ need to be translated for each locale.-->
       <message name="IDS_MESSAGE_CENTER_TOOLTIP_UNREAD" desc="Tooltip for notification tray icon with unread notifications">
         <ph name="product">$1<ex>Chrome</ex></ph> - Notifications (<ph name="QUANTITY">$2<ex>3</ex></ph> unread)
       </message>
+      <message name="IDS_MESSAGE_CENTER_BALLOON_TITLE" desc="Title of the first run notification ballon describing the notification center.">
+        <ph name="product">$1<ex>Chrome</ex></ph> Notification Center

[Andrew T Wilson (Slow), 2013/06/19 06:28:57]

Not certain but perhaps these should be in chromium_strings.grd and
google_chrome_strings.grd insead of having the product name embedded as a
parameter?

[dewittj, 2013/06/20 02:20:54]

Done.

+      </message>
+      <message name="IDS_MESSAGE_CENTER_BALLOON_TEXT" desc="Body text for the the first run notification ballon describing the notification center.">
+        You can see all your notifications from <ph name="product">$1<ex>Chrome</ex></ph> apps, extensions, and websites here.
+      </message>
       <message name="IDS_MESSAGE_CENTER_NOTIFIER_SCREENSHOT_NAME" desc="The name of screenshot notifier that is a system componet">
         Screenshot
       </message>