Standardize on using "kind" to distinguish sub-varieties of a type.

runtime/observatory/lib/src/elements/isolate_summary.html

Index: runtime/observatory/lib/src/elements/isolate_summary.html
diff --git a/runtime/observatory/lib/src/elements/isolate_summary.html b/runtime/observatory/lib/src/elements/isolate_summary.html
index 54817b1e449dc66325a0a67d719087ed782e0ea1..618b42ec59029ff0bfcdea42ed8fac9bc9d5f4ba 100644
--- a/runtime/observatory/lib/src/elements/isolate_summary.html
+++ b/runtime/observatory/lib/src/elements/isolate_summary.html
@@ -65,21 +65,21 @@
 <polymer-element name="isolate-location" extends="observatory-element">
   <template>
     <template if="{{ isolate.pauseEvent != null }}">
-      <template if="{{ isolate.pauseEvent.eventType == 'PauseStart' }}">
+      <template if="{{ isolate.pauseEvent.kind == 'PauseStart' }}">
         at isolate start
       </template>
 
-      <template if="{{ isolate.pauseEvent.eventType == 'PauseExit' }}">
+      <template if="{{ isolate.pauseEvent.kind == 'PauseExit' }}">
         at isolate exit
       </template>
 
-      <template if="{{ isolate.pauseEvent.eventType == 'PauseInterrupted' ||
-                       isolate.pauseEvent.eventType == 'PauseBreakpoint' ||
-                       isolate.pauseEvent.eventType == 'PauseException' }}">
+      <template if="{{ isolate.pauseEvent.kind == 'PauseInterrupted' ||
+                       isolate.pauseEvent.kind == 'PauseBreakpoint' ||
+                       isolate.pauseEvent.kind == 'PauseException' }}">
         <template if="{{ isolate.pauseEvent.breakpoint != null }}">
           by breakpoint
         </template>
-        <template if="{{ isolate.pauseEvent.eventType == 'PauseException' }}">
+        <template if="{{ isolate.pauseEvent.kind == 'PauseException' }}">
           by exception
         </template>
         at