[turbolizer] Add CTRL+L as load shortcut

..as mentioned in the info tab.

Change-Id: I9ddbe1ad7eb3242ad7839650aecc7305a902fb0d
Notry: true
Bug: v8:7327
Reviewed-on: https://chromium-review.googlesource.com/c/1407056
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58789}

tools/turbolizer/src/turbo-visualizer.ts

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import * as d3 from "d3";
 import { SourceResolver } from "../src/source-resolver";
 import { SelectionBroker } from "../src/selection-broker";
 import { DisassemblyView } from "../src/disassembly-view";
@@ -113,9 +112,12 @@ window.onload = function () {
     // The <input> form #upload-helper with type file can't be a picture.
     // We hence keep it hidden, and forward the click from the picture
     // button #upload.
-    d3.select("#upload").on("click",
-      () => document.getElementById("upload-helper").click());
-    d3.select("#upload-helper").on("change", function (this: HTMLInputElement) {
+    document.getElementById("upload").addEventListener("click", e => {
+      document.getElementById("upload-helper").click();
+      e.stopPropagation();
+    });
+    document.getElementById("upload-helper").addEventListener("change",
+      function (this: HTMLInputElement) {
         const uploadFile = this.files && this.files[0];
         if (uploadFile) {
           const filereader = new FileReader();
@@ -127,6 +129,14 @@ window.onload = function () {
           };
           filereader.readAsText(uploadFile);
         }
+      }
+    );
+    window.addEventListener("keydown", (e: KeyboardEvent) => {
+      if (e.keyCode == 76 && e.ctrlKey) { // CTRL + L
+        document.getElementById("upload-helper").click();
+        e.stopPropagation();
+        e.preventDefault();
+      }
     });
   }