Files App: Remove unused translations

This CL removes translation strings for external drive rename notifications,
because they are no longer in use.

BUG=775018
CQ-DEPEND=CL:722140

Change-Id: Ia85cc845302f0db83e6dcad88445d2f774bb704a
Reviewed-on: https://chromium-review.googlesource.com/722460Reviewed-by: Tatsuhisa Yamaguchi <yamaguchi@chromium.org>
Reviewed-by: Naoki Fukino <fukino@chromium.org>
Commit-Queue: Klemen Kozjek <klemenko@google.com>
Cr-Commit-Position: refs/heads/master@{#509323}

chrome/app/chromeos_strings.grdp

@@ -3303,21 +3303,9 @@ Battery full
   </message>
 
   <!-- Renaming device notifications -->
-  <message name="IDS_RENAMING_OF_DEVICE_PENDING_TITLE" desc="Title of notification message which is shown when renaming process of some device is in progress">
-    Renaming...
-  </message>
-  <message name="IDS_RENAMING_OF_DEVICE_FINISHED_TITLE" desc="Title of notification message which is shown when renaming process finshes">
-    Renaming finished
-  </message>
   <message name="IDS_RENAMING_OF_DEVICE_FAILED_TITLE" desc="Title of notification message which is shown when renaming process fails">
     Renaming failed
   </message>
-  <message name="IDS_RENAMING_OF_DEVICE_PENDING_MESSAGE" desc="Text of notification message which is shown when renaming process of some device is in progress">
-    The renaming process can take a couple of seconds. Please wait.
-  </message>
-  <message name="IDS_RENAMING_OF_DEVICE_FINISHED_SUCCESS_MESSAGE" desc="Text of notification message which is shown when renaming finishes without any errors.">
-    Renaming finished successfully!
-  </message>
   <message name="IDS_RENAMING_OF_DEVICE_FINISHED_FAILURE_MESSAGE" desc="Text of notification message which is shown when there are some errors while renaming.">
     Aw, Snap! There was an error during renaming.
   </message>

chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc

@@ -529,16 +529,8 @@ ExtensionFunction::ResponseAction FileManagerPrivateGetStringsFunction::Run() {
   SET_STRING("FORMATTING_WARNING", IDS_FILE_BROWSER_FORMATTING_WARNING);
   SET_STRING("RENAMING_OF_DEVICE_FINISHED_FAILURE_MESSAGE",
              IDS_RENAMING_OF_DEVICE_FINISHED_FAILURE_MESSAGE);
-  SET_STRING("RENAMING_OF_DEVICE_FINISHED_SUCCESS_MESSAGE",
-             IDS_RENAMING_OF_DEVICE_FINISHED_SUCCESS_MESSAGE);
   SET_STRING("RENAMING_OF_DEVICE_FAILED_TITLE",
              IDS_RENAMING_OF_DEVICE_FAILED_TITLE);
-  SET_STRING("RENAMING_OF_DEVICE_FINISHED_TITLE",
-             IDS_RENAMING_OF_DEVICE_FINISHED_TITLE);
-  SET_STRING("RENAMING_OF_DEVICE_PENDING_MESSAGE",
-             IDS_RENAMING_OF_DEVICE_PENDING_MESSAGE);
-  SET_STRING("RENAMING_OF_DEVICE_PENDING_TITLE",
-             IDS_RENAMING_OF_DEVICE_PENDING_TITLE);
   SET_STRING("FORMAT_DEVICE_BUTTON_LABEL",
              IDS_FILE_BROWSER_FORMAT_DEVICE_BUTTON_LABEL);
   SET_STRING("SHARE_BUTTON_TOOLTIP", IDS_FILE_BROWSER_SHARE_BUTTON_TOOLTIP);