DevTools: When no manifest detected, provide user with link to docs.

third_party/WebKit/Source/devtools/front_end/ui/reportView.css

 /*
  * Copyright 2016 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 :host {
     background-color: #f9f9f9;
 }
 
 .report-content-box {
     background-color: white;
     white-space: nowrap;
     overflow: auto;
 }
 
+.report-content-box p {
+    white-space: initial;
+    line-height: 18px;
+}
+
 .report-header {
     border-bottom: 1px solid rgb(230, 230, 230);
     padding: 12px 24px;
 }
 
 .report-header .toolbar {
     margin-bottom: -8px;
 }
 
 .report-header .toolbar {
@@ skipping 55 matching lines @@
     padding: 0 6px;
     text-overflow: ellipsis;
     overflow: hidden;
     white-space: pre;
 }
 
 .report-field-value-subtitle {
     color: #888;
     line-height: 14px;
 }