[CrOS Settings] Move OS Parental Controls strings from settings strings

This CL continues the process of moving OS specific strings from
settings_strings.grdp to os_settings_strings.grdp, specifically
parental control page strings.

Bug: 967883
Change-Id: Ie9ba498cf7980b8ed202b9784cd94038613d739c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2065142
Commit-Queue: Nnamdi Theodore Johnson-kanu <tjohnsonkanu@google.com>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743394}

chrome/app/os_settings_strings.grdp

@@ -899,5 +899,25 @@
   <message name="IDS_SETTINGS_BLUETOOTH_CONNECT_WRITE_NOT_PERMITTED">
     Write operation is not permitted on: "<ph name="DEVICE_NAME">$1<ex>Nexus 4</ex></ph>".
   </message>
+
+  <!-- Parental Controls -->
+  <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_TITLE" desc="Name of the settings page which manages ChromeOS's parental controls.">
+    Parental controls
+  </message>
+  <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_SET_UP_LABEL" desc="Label/description of the settings page which manages ChromeOS's parental controls.">
+    Set website restrictions &amp; screen time limits with Family Link
+  </message>
+  <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_CONNECT_TO_INTERNET_LABEL" desc="Label/description shown when the Parental control setup can't be launched because there is no Internet Connection.">
+    Connect to the internet to set up parental controls
+  </message>
+  <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_VIEW_SETTINGS_LABEL" desc="Label/description of the settings page which manages ChromeOS's parental controls.">
+    Open the Family Link app to see your supervision settings
+  </message>
+  <message name="IDS_SETTINGS_PARENTAL_CONTROLS_SET_UP_BUTTON_LABEL" desc="Label/description of the button which launches page which enables ChromeOS's parental controls.">
+    Set up
+  </message>
+  <message name="IDS_SETTINGS_PARENTAL_CONTROLS_SET_UP_BUTTON_ROLE" desc="Role description of the button which launches page which enables ChromeOS's parental controls. Spoken aloud by screen readers when the Set Up button is focused">
+    Set up button
+  </message>
 </if>
-</grit-part>
+</grit-part>
\ No newline at end of file

chrome/app/settings_strings.grdp

@@ -3727,28 +3727,6 @@
     </message>
   </if>
 
-  <!-- Parental Controls -->
-  <if expr="chromeos">
-    <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_TITLE" desc="Name of the settings page which manages ChromeOS's parental controls.">
-      Parental controls
-    </message>
-    <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_SET_UP_LABEL" desc="Label/description of the settings page which manages ChromeOS's parental controls.">
-      Set website restrictions &amp; screen time limits with Family Link
-    </message>
-    <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_CONNECT_TO_INTERNET_LABEL" desc="Label/description shown when the Parental control setup can't be launched because there is no Internet Connection.">
-      Connect to the internet to set up parental controls
-    </message>
-    <message name="IDS_SETTINGS_PARENTAL_CONTROLS_PAGE_VIEW_SETTINGS_LABEL" desc="Label/description of the settings page which manages ChromeOS's parental controls.">
-      Open the Family Link app to see your supervision settings
-    </message>
-    <message name="IDS_SETTINGS_PARENTAL_CONTROLS_SET_UP_BUTTON_LABEL" desc="Label/description of the button which launches page which enables ChromeOS's parental controls.">
-      Set up
-    </message>
-    <message name="IDS_SETTINGS_PARENTAL_CONTROLS_SET_UP_BUTTON_ROLE" desc="Role description of the button which launches page which enables ChromeOS's parental controls. Spoken aloud by screen readers when the Set Up button is focused">
-      Set up button
-    </message>
-  </if>
-
   <!-- Add Supervision Dialog Strings -->
   <if expr="chromeos">
     <message name="IDS_SETTINGS_CLOSE_ADD_SUPERVISION_DIALOG_TITLE" desc="Title of dialog shown when a user closes the Add Supervision dialog after an account has been converted to use supervision.">