Add a policy for disabling the stripping of PAC URLs.

components/policy/resources/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 8548 matching lines @@
       'features': {
         'dynamic_refresh': False,
         'per_profile': True,
       },
       'example_value': True,
       'id': 333,
       'caption': '''Enables cast''',
       'tags': [],
       'desc': '''If this is set to true or is not set, users will be able to cast tabs, sites or the desktop from the browser. If set to false, this option will be disabled.'''
     },
+    {
+      'name': 'PacHttpsUrlStrippingEnabled',
+      'type': 'main',
+      'schema': { 'type': 'boolean' },
+      'supported_on': [ 'chrome.*:52-', 'chrome_os:52-' ],
+      'features': {
+        'dynamic_refresh': False,
+        'per_profile': False,
+      },
+      'example_value': False,
+      'id': 332,
+      'caption': '''Enable PAC URL stripping (for https://)''',
+      'tags': ['system-security'],
+      'desc': '''Strips privacy and security sensitive parts of https:// URLs before passing them on to PAC scripts (Proxy Auto Config) used by <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> during proxy resolution.
+
+      When not set (or set to true) the default behavior is to strip https:// URLs before submitting them to a PAC script. In this manner the PAC script is not able to view data that is ordinarily protected by an encrypted channel (like the path and query).
+
+      When the policy is set to false, this security feature is disabled, and PAC scripts are granted the ability to view the full URL. This setting applies to all PAC scripts regardless of origin. For instance it applies to PAC scripts obtained through WPAD as well as those fetched over an insecure transport.''',
+    },
   ],
   '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 Chromium are being edited''',
       'text': '''<ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> preferences'''
@@ skipping 109 matching lines @@
       '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)',
     },
     'doc_complex_policies_on_windows': {
       'desc': '''Text pointing the user to a help article for complex policies on Windows''',
       'text': '''encoded as a JSON string, for details see <ph name="COMPLEX_POLICIES_URL">https://www.chromium.org/administrators/complex-policies-on-windows<ex>https://www.chromium.org/administrators/complex-policies-on-windows</ex></ph>''',
     },
   },
   'placeholders': [],
 }