[DevTools] Remove HandlerRegistry.

third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js

Index: third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
diff --git a/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js b/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
index 7ddc91606980625703978970a7cc1f8d4f4be5d8..4d930b6397eb47ca2ebc18ab0a8470410ce590d9 100644
--- a/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
+++ b/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
@@ -388,22 +388,14 @@ Extensions.ExtensionServer = class extends Common.Object {
   _onSetOpenResourceHandler(message, port) {
     var name = this._registeredExtensions[port._extensionOrigin].name || ('Extension ' + port._extensionOrigin);
     if (message.handlerPresent)
-      Components.openAnchorLocationRegistry.registerHandler(name, this._handleOpenURL.bind(this, port));
+      Components.Linkifier.registerLinkHandler(name, this._handleOpenURL.bind(this, port));
     else
-      Components.openAnchorLocationRegistry.unregisterHandler(name);
+      Components.Linkifier.unregisterLinkHandler(name);
   }
 
-  _handleOpenURL(port, details) {
-    var url = /** @type {string} */ (details.url);
-    var contentProvider = Workspace.workspace.uiSourceCodeForURL(url) || Bindings.resourceForURL(url);
-    if (!contentProvider)
-      return false;
-
-    var lineNumber = details.lineNumber;
-    if (typeof lineNumber === 'number')
-      lineNumber += 1;
-    port.postMessage({command: 'open-resource', resource: this._makeResource(contentProvider), lineNumber: lineNumber});
-    return true;
+  _handleOpenURL(port, contentProvider, lineNumber) {
+    port.postMessage(
+        {command: 'open-resource', resource: this._makeResource(contentProvider), lineNumber: lineNumber + 1});
   }
 
   _onReload(message) {