DevTools: bring developer tools window to front when panel gets selected

This patch is a hackish way to bring developer tools front-end to front
whenever Toolbox revealer asks to reveal something.

BUG=399259
R=pfeldman

Review URL: https://codereview.chromium.org/468193002

git-svn-id: svn://svn.chromium.org/blink/trunk@180202 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/components/InspectorView.js

@@ -221,6 +221,7 @@ WebInspector.InspectorView.prototype = {
     {
         if (this._currentPanelLocked)
             return;
+        InspectorFrontendHost.bringToFront();
         if (this._currentPanel === x)
             return;
 

third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js

@@ -320,8 +320,6 @@ WebInspector.SourcesPanel.prototype = {
 
     _showEditor: function(forceShowInPanel)
     {
-        if (this._sourcesView.isShowing())
-            return;
         WebInspector.inspectorView.showPanel("sources");
     },