DevTools: remove UISourceCodeFrame from context when switching panels.

third_party/WebKit/Source/devtools/front_end/source_frame/SourceFrame.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 347 matching lines @@
     },
 
     /**
      * @override
      */
     editorFocused: function()
     {
         this._resetCurrentSearchResultIndex();
     },
 
+    /**
+     * @override
+     */
+    editorBlurred: function()
+    {
+    },
+
     _resetCurrentSearchResultIndex: function()
     {
         if (!this._searchResults.length)
             return;
         this._currentSearchResultIndex = -1;
         if (this._searchableView)
             this._searchableView.updateCurrentMatchIndex(this._currentSearchResultIndex);
         this._textEditor.highlightSearchResults(this._searchRegex, null);
     },
 
@@ skipping 266 matching lines @@
     _handleKeyDown: function(e)
     {
         var shortcutKey = WebInspector.KeyboardShortcut.makeKeyFromEvent(e);
         var handler = this._shortcuts[shortcutKey];
         if (handler && handler())
             e.consume(true);
     },
 
     __proto__: WebInspector.SimpleView.prototype
 }