[Re-land] Add network throttling as enterprise policy

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 121 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: 349
+#   For your editing convenience: highest ID currently used: 351
 #
 # 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 8628 matching lines @@
       'supported_on': ['chrome.*:52-','chrome_os:52-'],
       'features': {
         'dynamic_refresh': True,
         'per_profile': False,
       },
       'example_value': True,
       'tags': [],
       'id': 327,
     },
     {
+      'name': 'NetworkThrottlingEnabled',
+      'device_only': True,
+      'caption': '''Enables throttling network bandwidth''',
+      'desc': '''Allows choosing whether network throttling is enabled or not.
+      This applies to all users, and to all interfaces on the device. Once set,
+      the throttling persists until the policy is changed to disable it.
+
+      If set to false, there is no throttling.
+      If set to true, the system is throttled to achieve the provided upload and download rates (in kbits/s).''',
+      'type': 'dict',
+      'schema': {
+        'type': 'object',
+        'properties': {
+          'enabled': {
+            'description': 'A boolean flag indicating if throttling is enabled.',
+            'type': 'boolean'
+          },
+          'upload_rate_kbits': {
+            'description': 'Desired upload rate in kbits/s.',
+            'type': 'integer'
+          },
+          'download_rate_kbits': {
+            'description': 'Desired download rate in kbits/s.',
+            'type': 'integer'
+          }
+        },
+        'required': ['enabled', 'upload_rate_kbits', 'download_rate_kbits']
+      },
+      'supported_on': ['chrome_os:56-'],
+      'features': {
+        'dynamic_refresh': True,
+        'per_profile': False,
+      },
+      'example_value': [{'enabled': 'true', 'upload_rate_kbits': '5600', 'download_rate_kbits': '5600'}],
+      'tags': [],
+      'id': 351,
+    },
+    {
       'name': 'LoginVideoCaptureAllowedUrls',
       'type': 'list',
       'schema': {
         'type': 'array',
         'items': { 'type': 'string' },
       },
       'supported_on': ['chrome_os:52-'],
       'device_only': True,
       'features': {
         'dynamic_refresh': True,
@@ skipping 477 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': [],
 }