Simplify title of DevTools window

By shortening "Developer Tools" to "DevTools", we make it easier for a
user to distinguish multiple instances in the Windows task bar, and
better align to DevTools branding.

Bug: 729910
Change-Id: I961cdd9890ca3569d67cf6ed98697f5dbed79086
Reviewed-on: https://chromium-review.googlesource.com/949781
Reviewed-by: Dmitry Gozman <[email protected]>
Commit-Queue: Eric Lawrence <[email protected]>
Cr-Original-Commit-Position: refs/heads/master@{#547813}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 52f028e65c17c841ce6ed6b15b89133f064e5300
diff --git a/front_end/host/InspectorFrontendHost.js b/front_end/host/InspectorFrontendHost.js
index e458741..22139d7 100644
--- a/front_end/host/InspectorFrontendHost.js
+++ b/front_end/host/InspectorFrontendHost.js
@@ -151,7 +151,7 @@
    * @suppressGlobalPropertiesCheck
    */
   inspectedURLChanged(url) {
-    document.title = Common.UIString('Developer Tools - %s', url);
+    document.title = Common.UIString('DevTools - %s', url.replace(/^https?:\/\//, ''));
   }
 
   /**