Specify default values for multiple policies

Specify defaults for:
DeviceAllowRedeemChromeOsRegistrationOffers
ExternalProtocolDialogShowAlwaysOpenCheckbox
MaxInvalidationFetchDelay
NtlmV2Enabled
SafeBrowsingForTrustedSourcesEnabled
SamlInSessionPasswordChangeEnabled
ShowAppsShortcutInBookmarkBar
SpellcheckEnabled
SpellcheckServiceEnabled
WPADQuickCheckEnabled

Bug: 1139046
Change-Id: Ic3c3b568baa61dd691e94daff631471540221bd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2512549Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Commit-Queue: Chris Sharp <csharp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823574}

components/policy/resources/policy_templates.json

@@ -1478,6 +1478,7 @@
         'per_profile': False,
       },
       'example_value': True,
+      'default': True,
       'id': 261,
       'caption': '''Enable WPAD optimization''',
       'tags': ['system-security'],
@@ -3849,6 +3850,7 @@
         'per_profile': True,
       },
       'example_value': False,
+      'default': True,
       'id': 375,
       'caption': '''Enable Safe Browsing for trusted sources''',
       'tags': ['local-data-access'],
@@ -4409,6 +4411,7 @@
         'per_profile': False,
       },
       'example_value': True,
+      'default': True,
       'id': 393,
       'caption': '''Enable NTLMv2 authentication.''',
       'tags': ['website-sharing'],
@@ -7130,6 +7133,7 @@
         'per_profile': True,
       },
       'example_value': 10000,
+      'default': 10000,
       'id': 228,
       'caption': '''Maximum fetch delay after a policy invalidation''',
       'tags': [],
@@ -7633,6 +7637,7 @@
         'per_profile': True,
       },
       'example_value': False,
+      'default': None,
       'id': 267,
       'caption': '''Show the apps shortcut in the bookmark bar''',
       'tags': [],
@@ -10274,6 +10279,7 @@
         'per_profile': True,
       },
       'example_value': False,
+      'default': None,
       'id': 151,
       'caption': '''Enable or disable spell checking web service''',
       'tags': [],
@@ -11763,6 +11769,7 @@
         'dynamic_refresh': True,
       },
       'example_value': True,
+      'default': True,
       'id': 185,
       'caption': '''Allow users to redeem offers through Chrome OS Registration''',
       'tags': [],
@@ -13946,10 +13953,11 @@
         'dynamic_refresh': False,
       },
       'example_value': 104857600,
+      'default': 268435456,
       'id': 296,
       'caption': '''Set Apps and Extensions cache size (in bytes)''',
       'tags': [],
-      'desc': '''Setting to lower than 1 MB or leaving it unset means <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> uses the default size for caching apps and extensions for installation by multiple users of a single device, avoiding the need to redownload each one for every user.''',
+      'desc': '''Setting to lower than 1 MB or leaving it unset means <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> uses the default size of 256 MiB for caching apps and extensions for installation by multiple users of a single device, avoiding the need to redownload each one for every user.''',
       'arc_support': 'The cache is not used for Android apps. If multiple users install the same Android app, it will be downloaded anew for each user.',
     },
     {
@@ -17269,6 +17277,7 @@
         'per_profile': True,
       },
       'example_value': False,
+      'default': None,
       'id': 408,
       'caption': '''Enable spellcheck''',
       'tags': [],
@@ -20185,6 +20194,7 @@
         'per_profile': True,
       },
       'example_value': True,
+      'default': True,
       'id': 542,
       'caption': '''Enable Signed HTTP Exchange (SXG) support''',
       'tags': ['filtering'],
@@ -20228,6 +20238,7 @@
         'per_profile': False,
       },
       'example_value': True,
+      'default': None,
       'id': 545,
       'caption': '''Enables a page for in-session change of password for SAML users''',
       'desc': '''Enables a page at chrome://password-change that lets SAML users change their SAML passwords while in-session, which ensures that the SAML password and the device lockscreen password are kept in-sync.