[Chromoting] Strings for new Chromoting pref dialog

We need to update the permissions check dialog to handle the new
Screen Recording permission added in Mac OX 10.15.

Bug: 1012826
Change-Id: I3d062a76b44267746091a9b21163edefb4d312de
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1860278Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Commit-Queue: Jamie Walch <jamiewalch@chromium.org>
Auto-Submit: Gary Kacmarcik <garykac@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705816}

remoting/resources/remoting_strings.grd

@@ -1321,22 +1321,35 @@
         <message name="IDS_HOST_AUTHENTICATION_PROMPT" desc="The prompt to be displayed in the authentication dialog when making changes to the system.  The system will add a sentence asking for an administrator's name and password.  Mac-only.">
           <ph name="PRODUCT_NAME">$1<ex>Chrome Remote Desktop</ex></ph> wants to make changes.
         </message>
-        <message name="IDS_ACCESSIBILITY_PERMISSION_DIALOG_TITLE" desc="The title of the prompt that asks the user to turn on the Chrome Remote Desktop service. This setting lives in the 'Accessibility' section of the 'Privacy and Security' preferences pane. Mac-only.">
-          Allow remote users to control this Mac
+        <message name="IDS_ACCESSIBILITY_PERMISSION_DIALOG_TITLE" desc="The title of the prompt that asks the user to grant 'Accessibility' permission to the Chrome Remote Desktop service. This permission is part of the 'Privacy and Security' preferences pane. Mac-only.">
+          Grant 'Accessibility' permission
         </message>
         <message name="IDS_ACCESSIBILITY_PERMISSION_DIALOG_BODY_TEXT" desc="The body text of the prompt that asks the user to turn on the Chrome Remote Desktop service. This setting lives in the 'Accessibility' section of the 'Privacy and Security' preferences pane. Mac-only.">
-To use <ph name="PRODUCT_NAME">$1<ex>Chrome Remote Desktop</ex></ph> on this Mac, follow these steps:
+To use <ph name="PRODUCT_NAME">$1<ex>Chrome Remote Desktop</ex></ph>, you need to grant the 'Accessibility' permission so that input from the remote machine can be injected on this Mac.
 
-Select '<ph name="BUTTON_NAME">$2<ex>Open Preferences</ex></ph>' below. In your Security and Privacy preferences, check the box next to '<ph name="SERVICE_SCRIPT_NAME">$3<ex>org.chromium.chromoting.me2me.sh</ex></ph>'.
+To grant this permission, click '<ph name="BUTTON_NAME">$2<ex>Open Accessibility Preferences</ex></ph>' below to open the 'Accessibility' preferences pane and then check the box next to '<ph name="SERVICE_SCRIPT_NAME">$3<ex>org.chromium.chromoting.me2me.sh</ex></ph>'.
 
 If '<ph name="SERVICE_SCRIPT_NAME">$3<ex>org.chromium.chromoting.me2me.sh</ex></ph>' is already checked, uncheck it and then check it again.
         </message>
         <message name="IDS_ACCESSIBILITY_PERMISSION_DIALOG_OPEN_BUTTON" desc="The button text of the prompt that asks the user to turn on the Chrome Remote Desktop service. This setting lives in the 'Accessibility' section of the 'Privacy and Security' preferences pane. Selecting this button will open the 'Privacy and Security' preferences pane. Mac-only.">
-          Open Preferences
+          Open Accessibility Preferences
         </message>
-        <message name="IDS_ACCESSIBILITY_PERMISSION_DIALOG_NOT_NOW_BUTTON" desc="The button text of the prompt that asks the user to turn on the Chrome Remote Desktop service. This setting lives in the 'Accessibility' section of the 'Privacy and Security' preferences pane. When the user selects this button, they decline to turn on Chrome Remote Desktop and this dialog will close. Mac-only.">
+        <message name="IDS_ACCESSIBILITY_PERMISSION_DIALOG_NOT_NOW_BUTTON" desc="The text on the button in the permissions dialog that allows the user to skip granting permission at this time. When the user selects this button, they decline to turn on Chrome Remote Desktop and this dialog will close. Mac-only.">
           Not Now
         </message>
+        <message name="IDS_SCREEN_RECORDING_PERMISSION_DIALOG_TITLE" desc="The title of the prompt that asks the user to grant 'Screen Recording' permission to the Chrome Remote Desktop service. This permission is part of the 'Privacy and Security' preferences pane. Mac-only.">
+          Grant 'Screen Recording' permission
+        </message>
+        <message name="IDS_SCREEN_RECORDING_PERMISSION_DIALOG_BODY_TEXT" desc="The body text that asks the user to grant the 'Screen Recording' permission to the Chrome Remote Desktop service. Mac-only, OS 10.15 and later.">
+To use <ph name="PRODUCT_NAME">$1<ex>Chrome Remote Desktop</ex></ph>, you need to grant the 'Screen Recording' permission so that the screen contents on this Mac can be sent to the remote machine.
+
+To grant this permission, click '<ph name="BUTTON_NAME">$2<ex>Open Screen Recording Preferences</ex></ph>' below to open the 'Screen Recording' preferences pane and then check the box next to '<ph name="SERVICE_SCRIPT_NAME">$3<ex>org.chromium.chromoting.me2me.sh</ex></ph>'.
+
+If '<ph name="SERVICE_SCRIPT_NAME">$3<ex>org.chromium.chromoting.me2me.sh</ex></ph>' is already checked, uncheck it and then check it again.
+        </message>
+        <message name="IDS_SCREEN_RECORDING_PERMISSION_DIALOG_OPEN_BUTTON" desc="The text on the button in the permissions dialog that takes the user to the 'Screen Recording' preferences panel. Mac-only, OS 10.15 and later.">
+          Open Screen Recording Preferences
+        </message>
       </if>
       <if expr="is_linux">
         <message name="IDS_SESSION_DIALOG_MESSAGE" desc="The message to show at the top of the session-selection dialog.">