Use RemarkupControl in Differential inline comment UI

Summary: Fixes T4317. Update the "inline comment" control to a RemarkupControl. This could maybe use some padding/spacing/design touches eventually but seems OK for the moment.

Test Plan: {F101825}

Reviewers: chad, btrahan

Reviewed By: chad

CC: chad, aran

Maniphest Tasks: T4317

Differential Revision: https://secure.phabricator.com/D7969

src/applications/differential/view/DifferentialInlineCommentEditView.php

@@ -104,16 +104,6 @@ final class DifferentialInlineCommentEditView extends AphrontView {
       ),
       pht('Cancel'));
 
-    $formatting = phutil_tag(
-      'a',
-      array(
-        'href' => PhabricatorEnv::getDoclink(
-          'article/Remarkup_Reference.html'),
-        'tabindex' => '-1',
-        'target' => '_blank',
-      ),
-      pht('Formatting Reference'));
-
     $title = phutil_tag(
       'div',
       array(
@@ -134,7 +124,6 @@ final class DifferentialInlineCommentEditView extends AphrontView {
         'class' => 'differential-inline-comment-edit-buttons',
       ),
       array(
-        $formatting,
         $buttons,
         phutil_tag('div', array('style' => 'clear: both'), ''),
       ));

src/infrastructure/diff/PhabricatorInlineCommentController.php

@@ -235,14 +235,11 @@ abstract class PhabricatorInlineCommentController
   }
 
   private function renderTextArea($text) {
-    return javelin_tag(
-      'textarea',
-      array(
-        'class' => 'differential-inline-comment-edit-textarea',
-        'sigil' => 'differential-inline-comment-edit-textarea',
-        'name' => 'text',
-      ),
-      $text);
+    return id(new PhabricatorRemarkupControl())
+      ->setUser($this->getRequest()->getUser())
+      ->setSigil('differential-inline-comment-edit-textarea')
+      ->setName('text')
+      ->setValue($text);
   }
 
 }

webroot/rsrc/css/application/differential/changeset-view.css

@@ -287,10 +287,9 @@ td.cov-X {
   font-style:   normal;
 }
 
-
-.differential-inline-comment-edit-textarea {
+.differential-inline-comment-edit-body .aphront-form-input {
+  margin: 0;
   width: 100%;
-  height: 12em;
 }
 
 .differential-changeset-buttons {