DevTools: Decouple shortcuts from actions, introduce shortcut contexts

Source/devtools/front_end/InspectorView.js

Index: Source/devtools/front_end/InspectorView.js
diff --git a/Source/devtools/front_end/InspectorView.js b/Source/devtools/front_end/InspectorView.js
index f9abed168acb1d5dfae1fcb07ef3adcfd1b08c5f..f24ad734ec4d91aea5735f55cc0df5fcf54520e2 100644
--- a/Source/devtools/front_end/InspectorView.js
+++ b/Source/devtools/front_end/InspectorView.js
@@ -160,6 +160,14 @@ WebInspector.InspectorView.prototype = {
         return this._currentPanel;
     },
 
+    /**
+     * @return {?string}
+     */
+    currentPanelId: function()

[pfeldman, 2014/04/14 13:10:44]

You should not need this?

[apavlov, 2014/04/15 13:33:14]

Done.

+    {
+        return this._tabbedPane.selectedTabId;
+    },
+
     showInitialPanel: function()
     {
         this._tabbedPane.addEventListener(WebInspector.TabbedPane.EventTypes.TabSelected, this._tabSelected, this);
@@ -196,6 +204,8 @@ WebInspector.InspectorView.prototype = {
     _tabSelected: function()
     {
         var panelName = this._tabbedPane.selectedTabId;
+        if (!panelName)
+            return;
         var panel = this._panelDescriptors[this._tabbedPane.selectedTabId].panel();
         this._tabbedPane.changeTabView(panelName, panel);
 
@@ -259,7 +269,7 @@ WebInspector.InspectorView.prototype = {
     },
 
     /**
-     * @return {string}
+     * @return {?string}
      */
     selectedViewInDrawer: function()
     {