Add a policy to hide the Web Store on new tabs.

chrome/app/policy/policy_templates.json

Index: chrome/app/policy/policy_templates.json
diff --git a/chrome/app/policy/policy_templates.json b/chrome/app/policy/policy_templates.json
index 3f3f44dc299c1b9f274a60453e08ce0fb6523aae..a75025d38e6aa1899616e2379d5df08d97e67bcf 100644
--- a/chrome/app/policy/policy_templates.json
+++ b/chrome/app/policy/policy_templates.json
@@ -112,7 +112,7 @@
 #   persistent IDs for all fields (but not for groups!) are needed. These are
 #   specified by the 'id' keys of each policy. NEVER CHANGE EXISTING IDs,
 #   because doing so would break the deployed wire format!
-#   For your editing convenience: highest ID currently used: 171
+#   For your editing convenience: highest ID currently used: 172
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -3876,6 +3876,24 @@
 
       The policy value should be specified in milliseconds. Values are clamped to a range of 30 seconds to 24 hours.''',
     },
+    {
+      'name': 'HideWebStoreIcon',
+      'type': 'main',
+      'schema': { 'type': 'boolean' },
+      'supported_on': ['chrome.*:26-'],
+      'features': {
+        'dynamic_refresh': True,
+        'per_profile': True,
+      },
+      'example_value': True,
+      'id': 172,
+      'caption': '''Hide the web store from the new tab page''',
+      'desc': '''Hide the Chrome Web Store icons from the New Tab Page.
+
+      When this policy is set to true, the icons are hidden.
+
+      When this policy is set to false or is not configured, the icons are visible.''',
+    },
   ],
   'messages': {
     # Messages that are not associated to any policies.