Replace PresentationIdleDelayScale with PresentationScreenDimDelayScale

chrome/app/policy/policy_templates.json

Index: chrome/app/policy/policy_templates.json
diff --git a/chrome/app/policy/policy_templates.json b/chrome/app/policy/policy_templates.json
index 52680ca8ee898a0f1a81c00a7cef669e38fcac51..b77b9c6216a0edb8de5a7ea9fde765b4b139e17f 100644
--- a/chrome/app/policy/policy_templates.json
+++ b/chrome/app/policy/policy_templates.json
@@ -112,7 +112,7 @@
 #   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: 219
+#   For your editing convenience: highest ID currently used: 220
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -4376,21 +4376,36 @@
           'name': 'PresentationIdleDelayScale',
           'type': 'int',
           'schema': { 'type': 'integer' },
-          'supported_on': ['chrome_os:26-'],
+          'supported_on': ['chrome_os:26-28'],
           'features': {
             'dynamic_refresh': True,
             'per_profile': False,
           },
+          'deprecated': True,
           'example_value': 200,
           'id': 184,
-          'caption': '''Percentage by which to scale the idle delay in presentation mode''',
-          'desc': '''Specifies the percentage by which the idle delay is scaled when the device is in presentation mode.
+          'caption': '''Percentage by which to scale the idle delay in presentation mode (deprecated)''',
+          'desc': '''This policy has been retired as of <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> version 29. Please use the PresentationScreenDimDelayScale policy instead.''',
+        },
+        {
+          'name': 'PresentationScreenDimDelayScale',
+          'type': 'int',
+          'schema': { 'type': 'integer' },
+          'supported_on': ['chrome_os:29-'],
+          'features': {
+            'dynamic_refresh': True,
+            'per_profile': False,
+          },
+          'example_value': 200,
+          'id': 220,
+          'caption': '''Percentage by which to scale the screen dim delay in presentation mode''',
+          'desc': '''Specifies the percentage by which the screen dim delay is scaled when the device is in presentation mode.
 
-          If this policy is set, it specifies the percentage by which the idle delay is scaled when the device is in presentation mode. When the idle delay is scaled, the screen dimming, screen off and screen lock delays get adjusted to maintain the same distances from the idle delay as originally configured.
+          If this policy is set, it specifies the percentage by which the screen dim delay is scaled when the device is in presentation mode. When the screen dim delay is scaled, the screen off, screen lock and idle delays get adjusted to maintain the same distances from the screen dim delay as originally configured.
 
           If this policy is unset, a default scale factor is used.
 
-          The scale factor must be 100% or more. Values that would make the idle delay in presentation mode shorter than the regular idle delay are not allowed.''',
+          The scale factor must be 100% or more. Values that would make the screen dim delay in presentation mode shorter than the regular screen dim delay are not allowed.''',
         },
         {
           'name': 'AllowScreenWakeLocks',