Refactor: Inject StatisticsProvider as a dependency of DeviceCloudPolicyInitializer.

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>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
@@ skipping 5964 matching lines @@
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_ROBOT_AUTH_FETCH_FAILED" desc="Error message shown on the enrollment screen upon failure to fetch the OAuth2 authorization code for device-level API access.">
     Oops!  The system failed to authorize API access for this device.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_ROBOT_REFRESH_FETCH_FAILED" desc="Error message shown on the enrollment screen upon failure to fetch the OAuth2 refresh token for device-level API access.">
     Oops!  The system failed to attain a long-term API access token for this device.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_ROBOT_REFRESH_STORE_FAILED" desc="Error message shown on the enrollment screen upon failure to store the OAuth2 refresh token for device-level API access.">
     Oops!  The system failed to store the long-term API access token for this device.
   </message>
-
   <message name="IDS_ENTERPRISE_ENROLLMENT_STATUS_LOCK_ERROR" desc="Error message shown on the enrollment screen upon failure to lock the device mode.">
     Oops!  The system failed to establish the device installation-time attributes lock.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_STATUS_LOCK_TIMEOUT" desc="Error message to show when the initialization of the lockbox is taking too long.">
     Oops!  The initialization of the installation-time attributes has timed out.  Please contact your support representative.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_STATUS_LOCK_WRONG_USER" desc="Error message to show when the user used to re-enroll the device does not belong to the domain that the device was originally enrolled into.">
     This user account does not belong to the domain that the device is enrolled to.  If you want to enroll to a different domain you need to go through device recovery first.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_STATUS_LOCK_WRONG_MODE" desc="Error message to show upon attempting to re-enroll a device that is locked to a different operational mode.">
@@ skipping 31 matching lines @@
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_DOMAIN_MISMATCH_ERROR" desc="Error message shown when the device doesn't belong to the domain the user tried to enroll it to.">
     This device cannot be enrolled to the domain your account belongs to because the device is marked for management by a different domain.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_ATTRIBUTE_ERROR" desc="Error message shown when successfully enrolled, but the device attribute update has failed.">
     Your <ph name="DEVICE_TYPE">$1<ex>Chromebook</ex></ph> has successfully been enrolled for enterprise management, but failed to send its asset and location information. Please manually enter this information from your Admin console for this device.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_STATUS_REGISTRATION_CERT_FETCH_FAILED" desc="Error message shown when a registration certificate could not be obtained.">
     A registration certificate could not be obtained.
   </message>
+  <message name="IDS_ENTERPRISE_ENROLLMENT_STATUS_NO_MACHINE_IDENTIFICATION" desc="Error message shown on the enrollment screen when the system failed to determine the device model or serial number.">
+    Oops!  The system failed to determine device model or serial number.
+  </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_SCREEN_TITLE" desc="The title on the enterprise enrollment dialog.">
     Enterprise enrollment
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_DEVICE_INFORMATION" desc="The subtitle on the device attribute prompt screen.">
     Device information
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_RETRY" desc="Label for the retry button on the error step in the enterprise enrollment dialog.">
     Try again
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_DONE" desc="Label for the done button on the success screen in the enterprise enrollment dialog.">
@@ skipping 303 matching lines @@
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_NAME" desc="Name of the about: flag for enabling emoji, handwriting and voice input on opt-in IME menu.">
     Emoji, handwriting and voice input on opt-in IME menu
     </message>
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_DESCRIPTION" desc="Description of the about: flag enabling emoji, handwriting and voice input on opt-in IME menu.">
     Enable access to emoji, handwriting and voice input form opt-in IME menu.
   </message>
   <message name="IDS_HATS_DONE_BUTTON_LABEL" desc="Label used for the done button at the end of survey">
     Done
   </message>
 </grit-part>