[turbolizer] Allow selecting inputs also with numeric keyboard.

tools/turbolizer/graph-view.js

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 "use strict";
 
 class GraphView extends View {
   constructor (d3, id, nodes, edges, broker) {
     super(id, broker);
     var graph = this;
@@ skipping 565 matching lines @@
     case 53:
     case 54:
     case 55:
     case 56:
     case 57:
       // '1'-'9'
       showSelectionFrontierNodes(true,
           (edge, index) => { return index == (d3.event.keyCode - 49); },
           false);
       break;
+    case 97:
+    case 98:
+    case 99:
+    case 100:
+    case 101:
+    case 102:
+    case 103:
+    case 104:
+    case 105:
+      // 'numpad 1'-'numpad 9'
+      showSelectionFrontierNodes(true,
+          (edge, index) => { return index == (d3.event.keyCode - 97); },
+          false);
+      break;
     case 67:
       // 'c'
       showSelectionFrontierNodes(true,
           (edge, index) => { return edge.type == 'control'; },
           false);
       break;
     case 69:
       // 'e'
       showSelectionFrontierNodes(true,
           (edge, index) => { return edge.type == 'effect'; },
@@ skipping 392 matching lines @@
   }
 
   viewWholeGraph() {
     var graph = this;
     var minScale = graph.minScale();
     var translation = [0, 0];
     translation = graph.getVisibleTranslation(translation, minScale);
     graph.translateClipped(translation, minScale);
   }
 }