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

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index a71e2d2e608768709cfa028e3492f821a5e741c9..6fe61da1f4b1c328a95de90691143eac3d5195d3 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -9131,10 +9131,13 @@ I don't think this site should be blocked!
       <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 disgnostics information. The triple single quotes are needed to preserve the line break.">

[Peter Kasting, 2017/05/23 01:14:27]

Nit: "error diagnostics" -> "error, above any diagnostics"

[afakhry, 2017/05/23 04:25:06]

Done.

+****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.
@@ -12209,7 +12212,7 @@ read aloud to screenreader users to announce that a completion is available.">
         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