[Devtools] Added padding to hover area in network timeline

third_party/WebKit/Source/devtools/front_end/network/NetworkTimelineColumn.js

Index: third_party/WebKit/Source/devtools/front_end/network/NetworkTimelineColumn.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/NetworkTimelineColumn.js b/third_party/WebKit/Source/devtools/front_end/network/NetworkTimelineColumn.js
index a3b6a5921c8184adf67a555932cb2d01c9cbb1f9..d085b688038ee648cae931c5e5324192e903a54e 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/NetworkTimelineColumn.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/NetworkTimelineColumn.js
@@ -98,6 +98,12 @@ WebInspector.NetworkTimelineColumn = class extends WebInspector.VBox {
       var end = range.end;
     }
 
+    if (end - start < 50) {
+      var halfWidth = (end - start) / 2;
+      start = start + halfWidth - 25;
+      end = end - halfWidth + 25;
+    }
+
     if (event.clientX < this._canvasPosition.left + start || event.clientX > this._canvasPosition.left + end)
       return;