Allow default desktop content settings to be managed via policy

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 488 matching lines @@
           'type': 'list',
           'supported_on': ['chrome.*:8-'],
           'annotations': {
             'features': {'dynamic_refresh': 1},
             'example_value': ['UTF-8', 'UTF-16', 'GB2312', 'ISO-8859-1']
           }
         },
       ]
     },
     {
+      'name': 'ContentSettings',
+      'type': 'group',
+      'policies': [
+        {
+          'name': 'DefaultCookiesSetting',
+          'type': 'enum',
+          'items': [
+            {'name': 'AllowCookies', 'value': '0'},
+            {'name': 'BlockCookies', 'value': '1'},
+          ],
+          'supported_on': ['chrome.*:10-'],
+          'annotations': {
+            'features': {'dynamic_refresh': 1},
+            'example_value': 0,
+          }
+        },
+        {
+          'name': 'DefaultImagesSetting',
+          'type': 'enum',
+          'items': [
+            {'name': 'AllowImages', 'value': '0'},
+            {'name': 'BlockImages', 'value': '1'},
+          ],
+          'supported_on': ['chrome.*:10-'],
+          'annotations': {
+            'features': {'dynamic_refresh': 1},
+            'example_value': 0,
+          }
+        },
+        {
+          'name': 'DefaultJavaScriptSetting',
+          'type': 'enum',
+          'items': [
+            {'name': 'AllowJavaScript', 'value': '0'},
+            {'name': 'BlockJavaScript', 'value': '1'},
+          ],
+          'supported_on': ['chrome.*:10-'],
+          'annotations': {
+            'features': {'dynamic_refresh': 1},
+            'example_value': 0,
+          }
+        },
+        {
+          'name': 'DefaultPluginsSetting',
+          'type': 'enum',
+          'items': [
+            {'name': 'AllowPlugins', 'value': '0'},
+            {'name': 'BlockPlugins', 'value': '1'},
+          ],
+          'supported_on': ['chrome.*:10-'],
+          'annotations': {
+            'features': {'dynamic_refresh': 1},
+            'example_value': 0,
+          }
+        },
+        {
+          'name': 'DefaultPopupsSetting',
+          'type': 'enum',
+          'items': [
+            {'name': 'AllowPopups', 'value': '0'},
+            {'name': 'BlockPopups', 'value': '1'},
+          ],
+          'supported_on': ['chrome.*:10-'],
+          'annotations': {
+            'features': {'dynamic_refresh': 1},
+            'example_value': 1,
+          }
+        },
+        {
+          'name': 'DefaultNotificationSetting',
+          'type': 'enum',
+          'items': [
+            {'name': 'AllowNotifications', 'value': '0'},
+            {'name': 'BlockNotifications', 'value': '1'},
+            {'name': 'AskNotifications', 'value': '2'},
+          ],
+          'supported_on': ['chrome.*:10-'],
+          'annotations': {
+            'features': {'dynamic_refresh': 1},
+            'example_value': 2,
+          }
+        },
+        {
+          'name': 'DefaultGeolocationSetting',
+          'type': 'enum',
+          'items': [
+            {'name': 'AllowGeolocation', 'value': '0'},
+            {'name': 'BlockGeolocation', 'value': '1'},
+            {'name': 'AskGeolocation', 'value': '2'},
+          ],
+          'supported_on': ['chrome.*:10-'],
+          'annotations': {
+            'features': {'dynamic_refresh': 1},
+            'example_value': 0,
+          }
+        },
+      ]
+    },
+    {
       'name': 'ChromeFrameRendererSettings',
       'type': 'group',
       'policies': [{
         'name': 'ChromeFrameRendererSettings',
         'type': 'enum',
         'items': [
             {'name': 'RenderInHost', 'value': '0'},
             {'name': 'RenderInChromeFrame', 'value': '1'},
         ],
         'supported_on': ['chrome_frame:8-'],
@@ skipping 52 matching lines @@
     {
       'key': '$4',
       'value': 'http://www.chromium.org/developers/how-tos/chrome-frame-getting-started'
     },
     {
       'key': '$5',
       'value': 'http://www.chromium.org/administrators/policy-templates'
     },
   ]
 }