Create debug dialog for data stoppage alerts.

dashboard/dashboard/elements/chart-tooltip.html

Index: dashboard/dashboard/elements/chart-tooltip.html
diff --git a/dashboard/dashboard/elements/chart-tooltip.html b/dashboard/dashboard/elements/chart-tooltip.html
index 99342347ecfce592337d2278099d11095c1edac2..1660a3d8ec6bd1f92761c4d1808307a8d7043f27 100644
--- a/dashboard/dashboard/elements/chart-tooltip.html
+++ b/dashboard/dashboard/elements/chart-tooltip.html
@@ -15,6 +15,7 @@ was just clicked.
 <link rel="import" href="/dashboard/elements/alert-remove-box.html">
 <link rel="import" href="/dashboard/elements/bisect-button.html">
 <link rel="import" href="/dashboard/elements/dialog-container.html">
+<link rel="import" href="/dashboard/elements/stoppage-alert-debug-button.html">
 <link rel="import" href="/dashboard/elements/trace-button.html">
 <link rel="import" href="/dashboard/elements/triage-dialog.html">
 
@@ -117,6 +118,12 @@ was just clicked.
           <trace-button dialog-confirm xsrf-token="{{xsrfToken}}"
                         bug-id="{{bugId}}"
                         trace-info="{{bisectInfo}}"></trace-button>
+          <template is="dom-if" if="{{isLastPoint}}">
+            <stoppage-alert-debug-button
+                xsrf-token="{{xsrfToken}}"
+                test-path="{{testPath}}"
+                test-rev="{{pointId}}"></stoppage-alert-debug-button>
+          </template>
         </div>
 
       </paper-card>
@@ -143,6 +150,10 @@ was just clicked.
           type: Boolean,
           value: true
         },
+        isLastPoint: {
+          type: Boolean,
+          value: false
+        },
         links: { notify: true },
         pointId: { notify: true },
         revisions: {