Add additional restriction to policy schema internal (part1)

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 4430 matching lines @@
       'name': 'PowerManagement',
       'type': 'group',
       'caption': '''Power mangement''',
       'desc': '''Configure power manegement in <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph>.
 
       These policies let you configure how <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> behaves when the user remains idle for some amount of time.''',
       'policies': [
         {
           'name': 'ScreenDimDelayAC',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 420000,
           'id': 172,
           'caption': '''Screen dim delay when running on AC power''',
           'desc': '''Specifies the length of time without user input after which the screen is dimmed when running on AC power.
 
           When this policy is set to a value greater than zero, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> dims the screen.
 
           When this policy is set to zero, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> does not dim the screen when the user becomes idle.
 
           When this policy is unset, a default length of time is used.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than or equal the screen off delay (if set) and the idle delay.''',
         },
         {
           'name': 'ScreenOffDelayAC',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 480000,
           'id': 173,
           'caption': '''Screen off delay when running on AC power''',
           'desc': '''Specifies the length of time without user input after which the screen is turned off when running on AC power.
 
           When this policy is set to a value greater than zero, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> turns off the screen.
 
           When this policy is set to zero, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> does not turn off the screen when the user becomes idle.
 
           When this policy is unset, a default length of time is used.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than or equal the idle delay.''',
         },
         {
           'name': 'ScreenLockDelayAC',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 600000,
           'id': 174,
           'caption': '''Screen lock delay when running on AC power''',
           'desc': '''Specifies the length of time without user input after which the screen is locked when running on AC power.
 
           When this policy is set to a value greater than zero, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> locks the screen.
 
           When this policy is set to zero, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> does not lock the screen when the user becomes idle.
 
           When this policy is unset, a default length of time is used.
 
           The recommended way to lock the screen on idle is to enable screen locking on suspend and have <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> suspend after the idle delay. This policy should only be used when screen locking should occur a significant amount of time sooner than suspend or when suspend on idle is not desired at all.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than the idle delay.''',
         },
         {
           'name': 'IdleWarningDelayAC',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:27-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 545000,
           'id': 197,
           'caption': '''Idle warning delay when running on AC power''',
           'desc': '''Specifies the length of time without user input after which a warning dialog is shown when running on AC power.
 
           When this policy is set, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> shows a warning dialog telling the user that the idle action is about to be taken.
 
           When this policy is unset, no warning dialog is shown.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than or equal the idle delay.''',
         },
         {
           'name': 'IdleDelayAC',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 1800000,
           'id': 175,
           'caption': '''Idle delay when running on AC power''',
           'desc': '''Specifies the length of time without user input after which the idle action is taken when running on AC power.
 
           When this policy is set, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> takes the idle action, which can be configured separately.
 
           When this policy is unset, a default length of time is used.
 
           The policy value should be specified in milliseconds.''',
         },
         {
           'name': 'ScreenDimDelayBattery',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 300000,
           'id': 176,
           'caption': '''Screen dim delay when running on battery power''',
           'desc': '''Specifies the length of time without user input after which the screen is dimmed when running on battery power.
 
           When this policy is set to a value greater than zero, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> dims the screen.
 
           When this policy is set to zero, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> does not dim the screen when the user becomes idle.
 
           When this policy is unset, a default length of time is used.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than or equal the screen off delay (if set) and the idle delay.''',
         },
         {
           'name': 'ScreenOffDelayBattery',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 360000,
           'id': 177,
           'caption': '''Screen off delay when running on battery power''',
           'desc': '''Specifies the length of time without user input after which the screen is turned off when running on battery power.
 
           When this policy is set to a value greater than zero, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> turns off the screen.
 
           When this policy is set to zero, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> does not turn off the screen when the user becomes idle.
 
           When this policy is unset, a default length of time is used.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than or equal the idle delay.''',
         },
         {
           'name': 'ScreenLockDelayBattery',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 600000,
           'id': 178,
           'caption': '''Screen lock delay when running on battery power''',
           'desc': '''Specifies the length of time without user input after which the screen is locked when running on battery power.
 
           When this policy is set to a value greater than zero, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> locks the screen.
 
           When this policy is set to zero, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> does not lock the screen when the user becomes idle.
 
           When this policy is unset, a default length of time is used.
 
           The recommended way to lock the screen on idle is to enable screen locking on suspend and have <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> suspend after the idle delay. This policy should only be used when screen locking should occur a significant amount of time sooner than suspend or when suspend on idle is not desired at all.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than the idle delay.''',
         },
         {
           'name': 'IdleWarningDelayBattery',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:27-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 545000,
           'id': 198,
           'caption': '''Idle warning delay when running on battery power''',
           'desc': '''Specifies the length of time without user input after which a warning dialog is shown when running on battery power.
 
           When this policy is set, it specifies the length of time that the user must remain idle before <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> shows a warning dialog telling the user that the idle action is about to be taken.
 
           When this policy is unset, no warning dialog is shown.
 
           The policy value should be specified in milliseconds. Values are clamped to be less than or equal the idle delay.''',
         },
         {
           'name': 'IdleDelayBattery',
           'type': 'int',
-          'schema': { 'type': 'integer' },
+          'schema': {
+            'type': 'integer',
+            'minimum': 0
+          },
           'supported_on': ['chrome_os:26-'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
           'example_value': 600000,
           'id': 179,
           'caption': '''Idle delay when running on battery power''',
           'desc': '''Specifies the length of time without user input after which the idle action is taken when running on battery power.
 
@@ skipping 1228 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': [],
 }