Update InlineCommentSummary UI

Summary: Minor spring cleaning, improve the visual feel of the comments table, more consistent structure.

Test Plan:
Test multiple comments, long comments, short comments, and multiple lines.

{F282462}

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11666

src/infrastructure/diff/view/PhabricatorInlineSummaryView.php

@@ -15,20 +15,7 @@ final class PhabricatorInlineSummaryView extends AphrontView {
 
   public function render() {
     require_celerity_resource('inline-comment-summary-css');
-    return hsprintf('%s%s', $this->renderHeader(), $this->renderTable());
-  }
-
-  private function renderHeader() {
-    $icon = id(new PHUIIconView())
-      ->setIconFont('fa-comment bluegrey msr');
-
-    $header = phutil_tag_div(
-      'phabricator-inline-summary',
-      array(
-        $icon,
-        pht('Inline Comments'),
-      ));
-    return $header;
+    return hsprintf('%s', $this->renderTable());
   }
 
   private function renderTable() {
@@ -43,10 +30,17 @@ final class PhabricatorInlineSummaryView extends AphrontView {
         }
       }
 
-      $rows[] = phutil_tag(
-        'tr',
-        array(),
-        phutil_tag('th', array('colspan' => 3), $group));
+      $icon = id(new PHUIIconView())
+        ->setIconFont('fa-file-code-o darkbluetext mmr');
+      $header = phutil_tag(
+        'th',
+        array(
+          'colspan' => 3,
+        ),
+        array(
+          $icon,
+          $group,));
+      $rows[] = phutil_tag('tr', array(), $header);
 
       foreach ($items as $item) {
         $line = $item['line'];
@@ -69,7 +63,7 @@ final class PhabricatorInlineSummaryView extends AphrontView {
 
         if ($href) {
           $icon = id(new PHUIIconView())
-            ->setIconFont('fa-share white msr');
+            ->setIconFont('fa-share darkbluetext mmr');
 
           $lines = phutil_tag(
             'a',