DevTools extensions: forward keyboard shortcuts to DevTools

Source/devtools/front_end/ExtensionServer.js

Index: Source/devtools/front_end/ExtensionServer.js
diff --git a/Source/devtools/front_end/ExtensionServer.js b/Source/devtools/front_end/ExtensionServer.js
index c3e0e97e9744c38f6135f7040af1b2fc69a0fdcd..b610d1b17b5c6c4f2f2b78c6f46df0c667b927b4 100644
--- a/Source/devtools/front_end/ExtensionServer.js
+++ b/Source/devtools/front_end/ExtensionServer.js
@@ -54,6 +54,7 @@ WebInspector.ExtensionServer = function()
     this._registerHandler(commands.CreateSidebarPane, this._onCreateSidebarPane.bind(this));
     this._registerHandler(commands.CreateStatusBarButton, this._onCreateStatusBarButton.bind(this));
     this._registerHandler(commands.EvaluateOnInspectedPage, this._onEvaluateOnInspectedPage.bind(this));
+    this._registerHandler(commands.ForwardKeyboardEvent, this._onForwardKeyboardEvent.bind(this));
     this._registerHandler(commands.GetHAR, this._onGetHAR.bind(this));
     this._registerHandler(commands.GetConsoleMessages, this._onGetConsoleMessages.bind(this));
     this._registerHandler(commands.GetPageResources, this._onGetPageResources.bind(this));
@@ -566,6 +567,25 @@ WebInspector.ExtensionServer.prototype = {
         auditRun.done();
     },
 
+    _onForwardKeyboardEvent: function(message)
+    {
+        const Esc = "U+001B";
+
+        if (!message.ctrlKey && !message.altKey && !message.metaKey && !/^F\d+$/.test(message.keyIdentifier) && message.keyIdentifier !== Esc)
+            return;
+        // Fool around closure compiler -- it has its own notion of both KeyboardEvent constructor
+        // and initKeyboardEvent methods and overriding these in externs.js does not have effect.
+        var event = new window.KeyboardEvent(message.eventType, {
+            keyIdentifier: message.keyIdentifier,
+            keyLocation: message.keyLocation,
+            ctrlKey: message.ctrlKey,
+            altKey: message.altKey,
+            shiftKey: message.shiftKey,
+            metaKey: message.metaKey
+        });
+        document.dispatchEvent(event);
+    },
+
     _dispatchCallback: function(requestId, port, result)
     {
         if (requestId)