Rename NavigationType to NavigationTimingType

This enum is too specific to the the navigation timing API and its idiosyncrasies to use the valuable name "NavigationType". In particular the API formerly known as app history (WICG/navigation-api#83) would like to use that name.

index.html

@@ -364,16 +364,16 @@ <h3>
         <pre class='idl'>
         [Exposed=Window]
         interface PerformanceNavigationTiming : PerformanceResourceTiming {
-            readonly        attribute DOMHighResTimeStamp unloadEventStart;
-            readonly        attribute DOMHighResTimeStamp unloadEventEnd;
-            readonly        attribute DOMHighResTimeStamp domInteractive;
-            readonly        attribute DOMHighResTimeStamp domContentLoadedEventStart;
-            readonly        attribute DOMHighResTimeStamp domContentLoadedEventEnd;
-            readonly        attribute DOMHighResTimeStamp domComplete;
-            readonly        attribute DOMHighResTimeStamp loadEventStart;
-            readonly        attribute DOMHighResTimeStamp loadEventEnd;
-            readonly        attribute NavigationType      type;
-            readonly        attribute unsigned short      redirectCount;
+            readonly        attribute DOMHighResTimeStamp  unloadEventStart;
+            readonly        attribute DOMHighResTimeStamp  unloadEventEnd;
+            readonly        attribute DOMHighResTimeStamp  domInteractive;
+            readonly        attribute DOMHighResTimeStamp  domContentLoadedEventStart;
+            readonly        attribute DOMHighResTimeStamp  domContentLoadedEventEnd;
+            readonly        attribute DOMHighResTimeStamp  domComplete;
+            readonly        attribute DOMHighResTimeStamp  loadEventStart;
+            readonly        attribute DOMHighResTimeStamp  loadEventEnd;
+            readonly        attribute NavigationTimingType type;
+            readonly        attribute unsigned short       redirectCount;
             [Default] object toJSON();
         };
         </pre>
@@ -390,7 +390,7 @@ <h3>
         number <a data-dfn-for="PerformanceNavigationTiming"><dfn>redirect count</dfn></a>.
 
         <p>A <a>PerformanceNavigationTiming</a> has an associated
-        {{NavigationType}} <a data-dfn-for="PerformanceNavigationTiming"><dfn>navigation type</dfn></a>.
+        {{NavigationTimingType}} <a data-dfn-for="PerformanceNavigationTiming"><dfn>navigation type</dfn></a>.
 
         <p>A {{PerformanceNavigationTiming}} has an associated null or [=service worker timing info=] 
         <dfn data-dfn-for="PerformanceNavigationTiming">service worker timing</dfn>.
@@ -481,8 +481,8 @@ <h3>
             "FETCH#redirect-status">HTTP redirects</a> by this spec. In those
             cases, the <a data-link-for="PerformanceNavigationTiming">type</a>
             attribute SHOULD return appropriate value, such as
-            <a data-link-for="NavigationType">reload</a> if reloading the
-            current page, or <a data-link-for="NavigationType">navigate</a> if
+            <a data-link-for="NavigationTimingType">reload</a> if reloading the
+            current page, or <a data-link-for="NavigationTimingType">navigate</a> if
             navigating to a new URL.
           </p>
         </div>
@@ -495,10 +495,10 @@ <h3>
         </p>
         <section id="sec-performance-navigation-types">
           <h4>
-            <dfn>NavigationType</dfn> enum
+            <dfn>NavigationTimingType</dfn> enum
           </h4>
           <pre class='idl'>
-            enum NavigationType {
+            enum NavigationTimingType {
                 "navigate",
                 "reload",
                 "back_forward",
@@ -508,7 +508,7 @@ <h4>
           <p>
             The values are defined as follows:
           </p>
-          <dl data-dfn-for='NavigationType'>
+          <dl data-dfn-for='NavigationTimingType'>
             <dt>
               <dfn>navigate</dfn>
             </dt>
@@ -585,7 +585,7 @@ <h2>Creating a navigation timing entry</h2>
 
       <p>To <dfn data-export="">create the navigation timing entry</dfn> for {{Document}} |document|,
       given a [=fetch timing info=] |fetchTiming|, a number |redirectCount|, a
-      {{NavigationType}} |navigationType|, and a null or [=service worker timing info=] |serviceWorkerTiming|,
+      {{NavigationTimingType}} |navigationType|, and a null or [=service worker timing info=] |serviceWorkerTiming|,
       do the following:
       <ol>
         <li>Let |global| be |document|'s [=relevant global object=].</li>