Added UI to enable debugging features on CrOS

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 1192 matching lines @@
   </message>
   <message name="IDS_KIOSK_ENABLE_SCREEN_SUCCESS" desc="Confirmation text shown on kiosk auto-launch enable screen after the feature is successfully enabled.">
     Kiosk applications can now be configured to auto-launch on this device.
   </message>
   <message name="IDS_KIOSK_ENABLE_SCREEN_ERROR" desc="Error text shown on kiosk enable screen after we failed enabling this feature.">
    An error occurred. Kiosk application will not be able to auto-launch on this device.
   </message>
   <message name="IDS_KIOSK_ENABLE_SCREEN_ENABLE_BUTTON" desc="Enable button text">
     Enable
   </message>
+  <message name="IDS_EXCLAMATION_ICON_TITLE" desc="Accessible title of the reset screen icon depicting exclamation mark.">
+    Exclamation mark icon
+  </message>
   <message name="IDS_RESET_SCREEN_TITLE" desc="Title of the reset screen">
     Factory reset
   </message>
   <message name="IDS_RESET_SCREEN_ICON_TITLE" desc="Accessible title of the reset screen icon depicting exclamation mark.">
     Exclamation mark icon
   </message>
   <message name="IDS_UPDATE_SCREEN_TITLE" desc="Title of the OOBE update screen">
     Update
   </message>
   <message name="IDS_UPDATE_SCREEN_ACCESSIBLE_TITLE" desc="Title to be spoken on opening the OOBE update screen">
@@ skipping 76 matching lines @@
   </message>
   <message name="IDS_NETWORK_SELECTION_NONE_SELECTED" desc="Chrome OS Out-Of-Box: Text shown in network selection combobox when no network is selected">
     Select
   </message>
   <message name="IDS_NETWORK_SELECTION_CONNECTING" desc="Text shown when known device is connecting to known network">
     Connecting to <ph name="NETWORK_ID">$1<ex>Public Wifi</ex></ph>
   </message>
   <message name="IDS_NETWORK_SELECTION_CONTINUE_BUTTON" desc="Text shown on continue button" meaning="Continue button label of network screen.">
     Continue
   </message>
+  <message name="IDS_NETWORK_ENABLE_DEV_FEATURES_LINK" desc="Text shown on continue button" meaning="Link shown on OOBE screens that opens enable developer features dialog">
+    Enable developer features
+  </message>
   <message name="IDS_NETWORK_SELECTION_ERROR" desc="Error shown when connection to network failed or timed out.">
     <ph name="PRODUCT_NAME">$1<ex>Chrome OS</ex></ph> was unable to connect to <ph name="NETWORK_ID">$2<ex>Public Wifi</ex></ph>. Please select another network or try again.
   </message>
   <message name="IDS_OOBE_ACCESSIBILITY_LINK" desc="Link shown on OOBE screens that opens accessibility options menu.">
     Accessibility
   </message>
   <message name="IDS_OOBE_SPOKEN_FEEDBACK_OPTION" desc="Spoken feedback option shown on OOBE screens accessibility menu.">
     ChromeVox (spoken feedback)
   </message>
   <message name="IDS_OOBE_LARGE_CURSOR_OPTION" desc="Large mouse cursor option shown on OOBE screens accessibility menu.">
@@ skipping 1376 matching lines @@
   <message name="IDS_EULA_RLZ_ENABLE" desc="Check box text for enabling RLZ tracking on TPM/RLZ info dialog.">
     Enable RLZ tracking on <ph name="SHORT_PRODUCT_OS_NAME">$1<ex>Chrome OS</ex></ph>.
   </message>
   <message name="IDS_EULA_TPM_BUSY" desc="Message bubble text">
     TPM is being prepared, please wait (this may take a few minutes)...
   </message>
   <message name="IDS_EULA_TPM_DISABLED" desc="Tooltip text describing why 'System security setting' link is disabled.">
     Trusted Platform Module (TPM) chip is disabled or absent.
   </message>
 
+  <message name="IDS_ENABLE_DEBUGGING_SCREEN_TITLE" desc="Title of the enable developer features screen">
+    Enable debugging features
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_SCREEN_WARNING_MSG" desc="Warning text shown on enable developer features screen above the exclamation icon.">
+    Enable developer features on this <ph name="IDS_SHORT_PRODUCT_NAME">$1<ex>Chrome</ex></ph> device
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_SCREEN_ROOTFS_REMOVE_MSG" desc="Text shown on enable developer features screen below warning messages if device needs extra restart before powerwash.">
+    A removal of rootfs protection and restart is required before enabling other debugging features.
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_REMOVE_ROOTFS_BUTTON" desc="Button for rootfs protection removal shown on enable debugging dialog.">
+    Remove protection
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_ENABLE_BUTTON" desc="Button for enabling developer features shown on enable debugging dialog.">
+    Enable
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_SETUP_MESSAGE" desc="Setup message in dialog for enabling developer features.">
+   You are enabling Chrome OS developer features which will setup sshd daemon and enabling booting from USB drives.
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_DONE_MESSAGE" desc="Confirmation message in dialog for enabling developer features.">
+    You have successfully enabled developer features on this <ph name="IDS_SHORT_PRODUCT_NAME">$1<ex>Chrome</ex></ph> device.
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_ROOT_PASSWORD_LABEL" desc="Text for root password entry field label from enable developer features dialog.">
+   Password:
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_CONFIRM_PASSWORD_LABEL" desc="Text for root password entry field label from enable developer features dialog.">
+   Retype password:
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_WAIT_MESSAGE" desc="Confirmation message in dialog for enabling developer features.">
+    Please wait...
+  </message>
+  <message name="IDS_ENABLE_DEBUGGING_EMPTY_ROOT_PASSWORD_LABEL" desc="Text for root password entry field label from enable debugging features dialog.">
+    Please enter the new password for 'root' user. Leave password blank if you want to use the default test password.
+  </message>
+
   <message name="IDS_RESET_SCREEN_WARNING_MSG" desc="Warning text shown on reset screen above the exclamation icon.">
     Reset this <ph name="IDS_SHORT_PRODUCT_NAME">$1<ex>Chrome</ex></ph> device
   </message>
   <message name="IDS_RESET_SCREEN_WARNING_POWERWASH_MSG" desc="Warning text shown on reset screen below the exclamation icon.">
     Powerwash to reset your <ph name="IDS_SHORT_PRODUCT_NAME">$1<ex>Chrome</ex></ph> device to be just like new.
   </message>
   <message name="IDS_RESET_SCREEN_WARNING_POWERWASH_AND_ROLLBACK_MSG" desc="Warning text shown on reset screen below the exclamation icon.">
     Powerwash your <ph name="IDS_SHORT_PRODUCT_NAME">$1<ex>Chrome</ex></ph> device and return to the previous version.
   </message>
   <message name="IDS_RESET_SCREEN_WARNING_DETAILS_DATA" desc="Additional warning text shown on reset screen below the main warning.">
@@ skipping 3236 matching lines @@
   <message name="IDS_SET_TIME_BUTTON_CLOSE" desc="Text for the button to close the window.">
     Done
   </message>
   <message name="IDS_SET_TIME_DATE_LABEL" desc="Label for the date input element.">
     System date
   </message>
   <message name="IDS_SET_TIME_TIME_LABEL" desc="Label for the time input element.">
     System time
   </message>
 </grit-part>