Make profile error dialog checkbox opt-in and improve feedback description

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="utf-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 9113 matching lines @@
       </message>
       <message name="IDS_COULDNT_OPEN_PROFILE_ERROR" desc="Error displayed on startup when the profile cannot be opened correctly due to problems reading or writing files in it.">
         Something went wrong when opening your profile. Some features may be unavailable.
       </message>
       <message name="IDS_OPEN_PROFILE_DATA_LOSS" desc="Error displayed on startup when opening the profile encountered an error but recovered from it with potential data loss.">
         Something went wrong when opening your profile. Please sign out then sign in again.
       </message>
       <message name="IDS_PROFILE_ERROR_DIALOG_CHECKBOX" desc="The label of the checkbox on the profile error dialog asking the user whether to send a feedback report or not">
         Send feedback to help us fix this issue.
       </message>
-      <message name="IDS_PROFILE_ERROR_FEEDBACK_DESCRIPTION" desc="The prepopulated text filled in the feedback report reporting a profile error">
+      <message name="IDS_PROFILE_ERROR_FEEDBACK_DESCRIPTION" desc="The prepopulated text filled in the feedback report reporting a profile error. The triple single quotes are needed to preserve the line break.">
 Tell us what happened exactly before you got the profile error message:
-
-****DO NOT CHANGE BELOW THIS LINE****
+'''
+      </message>
+      <message name="IDS_PROFILE_ERROR_FEEDBACK_DIAGNOSTICS_LINE" desc="The prepopulated text filled in the feedback report reporting a profile error, above any diagnostics information. The triple single quotes are needed to preserve the line break.">
+****Please do not change below this line****
+'''
       </message>
       <message name="IDS_COULDNT_STARTUP_PROFILE_ERROR" desc="Error displayed when Chrome cannot start because profiles were not opened correctly.">
         Cannot start Chrome because something went wrong when opening your profile. Try to restart Chrome.
       </message>
       <message name="IDS_REFUSE_TO_RUN_AS_ROOT" desc="Short error message displayed in an error dialog on startup if the user tries to run Chrome as root.">
         <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> can not be run as root.
       </message>
       <message name="IDS_REFUSE_TO_RUN_AS_ROOT_2" desc="Detailed message in the error dialog when the user tries to start Chrome as root.">
         Please start <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> as a normal user. If you need to run as root for development, rerun with the --no-sandbox flag.
       </message>
@@ skipping 3051 matching lines @@
       <message name="IDS_WIN10_TOAST_BROWSE_FAST" desc="Toast message variant: browse fast.">
         Browse fast with Google Chrome
       </message>
       <message name="IDS_WIN10_TOAST_BROWSE_SAFELY" desc="Toast message variant: browse safely.">
         Browse safely with Google Chrome
       </message>
       <message name="IDS_WIN10_TOAST_BROWSE_SMART" desc="Toast message variant: browse smart.">
         Browse smart with Chrome
       </message>
       <message name="IDS_WIN10_TOAST_SWITCH_FAST" desc="Toast message variant: switch to a fast browser.">
-        Switch to a fast browser 
+        Switch to a fast browser
       </message>
       <message name="IDS_WIN10_TOAST_SWITCH_SMART" desc="Toast message variant: switch to a smart browser.">
         Switch to a smart browser
       </message>
       <message name="IDS_WIN10_TOAST_SWITCH_SECURE" desc="Toast message variant: switch to a secure browser.">
         Switch to a secure browser
       </message>
       <message name="IDS_WIN10_TOAST_SWITCH_SMART_AND_SECURE" desc="Toast message variant: switch to a smart and secure browser.">
         Switch to a smart and secure browser
       </message>
@@ skipping 71 matching lines @@
       <message name="IDS_VIDEO_AUDIO_CALL_NOTIFICATION_TEXT_2" desc="Text to be shown as a notification when a WebRTC video and audio call is in progress" formatter_data="android_java">
         Accessing audio and video input
       </message>
       <message name="IDS_SCREEN_CAPTURE_NOTIFICATION_TEXT_2" desc="Text to be shown as a notification when screen capture is in progress.">
         Sharing screen
       </message>
     </if>
   </messages>
  </release>
 </grit>