Wire up the policy for controlling pinned apps in the ash launcher.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index a574fe94ffff3273fef3c68c964c2a94f9c21b68..8702c558f46a7d5fc93e5feb9824f80385e78e77 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -4889,7 +4889,10 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_POLICY_OUT_OF_RANGE_ERROR" desc="The text displayed in the status column when a policy value is out of range.">
         Value is out of range <ph name="VALUE">$1<ex>10</ex></ph>.
       </message>
-     <message name="IDS_POLICY_DEFAULT_SEARCH_DISABLED" desc="The text displayed in the status column when a policy value has been ignored because default search has been disabled.">
+      <message name="IDS_POLICY_VALUE_FORMAT_ERROR" desc="The text displayed in the status column when a policy value doesn't match the expected format.">
+        Value doesn't match format.
+      </message>
+      <message name="IDS_POLICY_DEFAULT_SEARCH_DISABLED" desc="The text displayed in the status column when a policy value has been ignored because default search has been disabled.">
         Ignored because default search is disabled by policy.
       </message>
       <message name="IDS_POLICY_NOT_SPECIFIED_ERROR" desc="The text displayed in the status column when a policy value should have been specified but wasn't.">
@@ -4898,6 +4901,9 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_POLICY_SUBKEY_ERROR" desc="The text displayed in the status column for errors in a subkey of a policy.">
         Key "<ph name="SUBKEY">$1<ex>ProxyMode</ex></ph>": <ph name="ERROR">$2<ex>Must be specified.</ex></ph>
       </message>
+      <message name="IDS_POLICY_LIST_ENTRY_ERROR" desc="The text displayed in the status column for errors in list entry in a policy.">
+        List entry "<ph name="ENTRY_INDEX">$1<ex>3</ex></ph>": <ph name="ERROR">$2<ex>Value is out of range.</ex></ph>
+      </message>
       <message name="IDS_POLICY_INVALID_SEARCH_URL_ERROR" desc="The text displayed in the status column when a the URL given for DefaultSearchProviderSearchURL is invalid.">
         Invalid search URL.
       </message>