New string for sync dialog.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
===================================================================
--- chrome/app/generated_resources.grd	(revision 61960)
+++ chrome/app/generated_resources.grd	(working copy)
@@ -7828,6 +7828,14 @@
         Your web store account is <ph name="EMAIL_ADDRESS">$1<ex>user@gmail.com</ex></ph> - signing in to sync with a different account will result in incompatibilities.
       </message>
 
+      <!-- Web Store login dialog strings -->
+      <message name="IDS_WEB_STORE_LOGIN_INTRODUCTION_1" desc="The first message to display in the Web Store login dialog.">
+        To use the Chrome Web Store, you must sign in with a Google Account.
+      </message>
+      <message name="IDS_WEB_STORE_LOGIN_INTRODUCTION_2" desc="The second message to display in the Web Store login dialog.">
+        <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> will sync any apps you install, so you will be able to access them from any <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> browser you sign in to.
+      </message>
+
       <!-- Sync app menu item strings -->
       <if expr="not pp_ifdef('use_titlecase')">
         <message name="IDS_SYNC_MENU_SYNCED_LABEL" desc="The text for the sync app menu item when bookmark sync has been enabled">