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

chrome/app/policy/policy_templates.json

 {
 # policy_templates.json - Metafile for policy templates
 #
 # The content of this file is evaluated as a Python expression.
 #
 # This file is used as input to generate the following policy templates:
 # ADM, ADMX+ADML, MCX/plist and html documentation.
 #
 # Policy templates are user interface definitions or documents about the
 # policies that can be used to configure Chrome. Each policy is a name-value
@@ skipping 94 matching lines @@
 #   templates and documentation. The policy definition list that Chrome sees
 #   will include policies marked with 'future'. If a WIP policy isn't meant to
 #   be seen by the policy providers either, the 'supported_on' key should be set
 #   to an empty list.
 #
 # IDs:
 #   Since a Protocol Buffer definition is generated from this file, unique and
 #   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: 187
+#   For your editing convenience: highest ID currently used: 188
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
 #     $1 -> Google Chrome / Chromium
 #     $2 -> Google Chrome OS / Chromium OS
 #     $3 -> Google Chrome Frame / Chromium Frame
 #     $6 is reserved for doc_writer
 #
 # Device Policy:
 #   An additional flag device_only (optional, defaults to False) indicates
@@ skipping 4136 matching lines @@
       'id': 186,
       'caption': '''Set the Terms of Service for a device-local account''',
       'desc': '''Sets the Terms of Service that the user must accept before starting a device-local account session.
 
       If this policy is set, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> will download the Terms of Service and present them to the user whenever a device-local account session is starting. The user will only be allowed into the session after accepting the Terms of Service.
 
       If this policy is not set, no Terms of Service are shown.
 
       The policy should be set to a URL from which <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> can download the Terms of Service. The Terms of Service must be plain text, served as MIME type text/plain. No markup is allowed.''',
     },
+    {
+      'name': 'HideWebStoreIcon',
+      'type': 'main',
+      'schema': { 'type': 'boolean' },
+      'supported_on': ['chrome.*:26-'],
+      'features': {
+        'dynamic_refresh': True,
+        'per_profile': True,
+      },
+      'example_value': True,
+      'id': 188,
+      'caption': '''Hide the web store from the new tab page''',
+      'desc': '''Hide the Chrome Web Store icons from the New Tab Page.

[Dan Beam, 2013/02/14 21:46:43]

s/icons/Chrome Web Store app and footer link/?

[dconnelly, 2013/02/15 08:44:45]

Done.

+
+      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.
     'win_supported_winxpsp2': {
       'desc': '''A label specifying the oldest possible compatible version of Windows. This text will appear right next to a label containing the text 'Supported on:'.''',
       'text': '''Microsoft Windows XP SP2 or later'''
     },
     'mac_chrome_preferences': {
       'desc': '''A text indicating in Mac OS X Workgroup Manager, that currently the preferences of Chrome are being edited''',
       'text': '''<ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> preferences'''
@@ skipping 82 matching lines @@
       'desc': '''Text appended in parentheses to the policy name to indicate that it has been deprecated''',
       'text': 'deprecated',
     },
     'doc_recommended': {
       'desc': '''Text appended in parentheses next to the policies top-level container to indicate that those policies are of the Recommended level''',
       'text': 'Default Settings (users can override)',
     },
   },
   'placeholders': [],
 }