[turbolizer] Make graph view's toolbar buttons focus the svg

... after executing their action.

This allows to search for a regex, click "hide unselected nodes", and
then immediately using graph view's keyboard shortcuts (e.g i, o, r).

Bug: v8:7327
Change-Id: Ieb7dbb3f1e32a78131500f8fb8b7805417c60e4e
Notry: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1930906Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65166}

tools/turbolizer/src/graph-view.ts

@@ -384,6 +384,7 @@ export class GraphView extends PhaseView {
     graph.layoutGraph();
     graph.updateGraphVisibility();
     graph.viewWholeGraph();
+    graph.focusOnSvg();
   }
 
   showAllAction(view: GraphView) {
@@ -395,6 +396,7 @@ export class GraphView extends PhaseView {
     });
     view.updateGraphVisibility();
     view.viewWholeGraph();
+    view.focusOnSvg();
   }
 
   showControlAction(view: GraphView) {
@@ -406,6 +408,7 @@ export class GraphView extends PhaseView {
     });
     view.updateGraphVisibility();
     view.viewWholeGraph();
+    view.focusOnSvg();
   }
 
   toggleHideDead(view: GraphView) {
@@ -417,6 +420,7 @@ export class GraphView extends PhaseView {
     }
     const element = document.getElementById('toggle-hide-dead');
     element.classList.toggle('button-input-toggled', view.state.hideDead);
+    view.focusOnSvg();
   }
 
   hideDead() {
@@ -445,6 +449,7 @@ export class GraphView extends PhaseView {
       }
     }
     view.updateGraphVisibility();
+    view.focusOnSvg();
   }
 
   hideSelectedAction(view: GraphView) {
@@ -454,14 +459,17 @@ export class GraphView extends PhaseView {
       }
     }
     view.selectionHandler.clear();
+    view.focusOnSvg();
   }
 
   zoomSelectionAction(view: GraphView) {
     view.viewSelection();
+    view.focusOnSvg();
   }
 
   toggleTypesAction(view: GraphView) {
     view.toggleTypes();
+    view.focusOnSvg();
   }
 
   searchInputAction(searchBar: HTMLInputElement, e: KeyboardEvent, onlyVisible: boolean) {
@@ -492,11 +500,15 @@ export class GraphView extends PhaseView {
       this.updateGraphVisibility();
       searchBar.blur();
       this.viewSelection();
-      (document.getElementById("graph").childNodes[0] as HTMLElement).focus();
+      this.focusOnSvg();
     }
     e.stopPropagation();
   }
 
+  focusOnSvg() {
+    (document.getElementById("graph").childNodes[0] as HTMLElement).focus();
+  }
+
   svgKeyDown() {
     const view = this;
     const state = this.state;