Disable the Developer Tools when Javascript is disabled.

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 245 matching lines @@
       'desc': '''Disables the listed protocol schemes in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.
 
       URLs using a scheme from this list will not load and can not be navigated to.''',
       'label': '''List of disabled protocol schemes''',
     },
     {
       'name': 'JavascriptEnabled',
       'type': 'main',
       'supported_on': ['chrome.*:8-', 'chrome_os:0.11-'],
       'features': {'dynamic_refresh': 0},
+      'deprecated': True,
       'example_value': True,
       'id': 9,
       'caption': '''Enable JavaScript''',
-      'desc': '''Enables JavaScript in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> and prevents users from changing this setting.
+      'desc': '''This policy is deprecated, please use DefaultJavaScriptSetting instead.
+
+      Enables JavaScript in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> and prevents users from changing this setting.
 
       If this setting is enabled or not configured, web pages can use JavaScript.
 
-      If this setting is disabled, web pages cannot use JavaScript.''',
+      If this setting is disabled, web pages cannot use JavaScript.
+
+      The DefaultJavaScriptSetting policy will override this policy when both are set.''',
     },
     {
       'name': 'IncognitoEnabled',
       'type': 'main',
       'supported_on': ['chrome.*:11-', 'chrome_os:0.11-'],
       'features': {'dynamic_refresh': 1},
       'deprecated': True,
       'example_value': False,
       'id': 10,
       'caption': '''Enable Incognito mode''',
@@ skipping 1661 matching lines @@
       'desc': '''The name of the feature that indicates for a given policy that changes to it are respected by Chrome without a browser restart''',
       'text': '''Dynamic Policy Refresh'''
     },
     'doc_deprecated': {
       'desc': '''Text appended in parentheses to the policy name to indicate t hat it has been deprecated''',
       'text': 'deprecated',
     }
   },
   'placeholders': [],
 }