[DevTools] Update tooltip text for HAR import/export

Change-Id: I4c34f9a25945001f292fc8a8f1d45152b36fde34
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1627561
Reviewed-by: Joel Einbinder <einbinder@chromium.org>
Reviewed-by: Erik Luo <luoe@chromium.org>
Reviewed-by: Paul Irish <paulirish@chromium.org>
Commit-Queue: Joey Arhar <jarhar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663336}
diff --git a/third_party/blink/renderer/devtools/front_end/network/NetworkPanel.js b/third_party/blink/renderer/devtools/front_end/network/NetworkPanel.js
index 6e8a942..afc839c 100644
--- a/third_party/blink/renderer/devtools/front_end/network/NetworkPanel.js
+++ b/third_party/blink/renderer/devtools/front_end/network/NetworkPanel.js
@@ -247,7 +247,7 @@
     const importHarButton = new UI.ToolbarButton(ls`Import HAR file...`, 'largeicon-load');
     importHarButton.addEventListener(UI.ToolbarButton.Events.Click, () => this._fileSelectorElement.click(), this);
     this._panelToolbar.appendToolbarItem(importHarButton);
-    const exportHarButton = new UI.ToolbarButton(ls`Export all as HAR with content...`, 'largeicon-download');
+    const exportHarButton = new UI.ToolbarButton(ls`Export HAR...`, 'largeicon-download');
     exportHarButton.addEventListener(UI.ToolbarButton.Events.Click, () => this._networkLogView.exportAll(), this);
     this._panelToolbar.appendToolbarItem(exportHarButton);
   }