[DevTools] Fixed content scripts

Source/core/inspector/DebuggerScript.js

 /*
  * Copyright (C) 2010 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 161 matching lines @@
     return {
         id: script.id,
         name: script.nameOrSourceURL(),
         sourceURL: script.source_url,
         sourceMappingURL: script.source_mapping_url,
         source: script.source,
         startLine: script.line_offset,
         startColumn: script.column_offset,
         endLine: endLine,
         endColumn: endColumn,
-        isContentScript: !!script.context_data && script.context_data.indexOf("[injected,") === 0,
+        isContentScript: !!script.context_data && script.context_data.endsWith(",injected"),
         isInternalScript: script.is_debugger_script
     };
 }
 
 DebuggerScript.setBreakpoint = function(execState, info)
 {
     var positionAlignment = info.interstatementLocation ? Debug.BreakPositionAlignment.BreakPosition : Debug.BreakPositionAlignment.Statement;
     var breakId = Debug.setScriptBreakPointById(info.sourceID, info.lineNumber, info.columnNumber, info.condition, undefined, positionAlignment);
 
     var locations = Debug.findBreakPointActualLocations(breakId);
@@ skipping 392 matching lines @@
         "parentPromise": eventData.parentPromise().value(),
         "status": eventData.status()
     };
 }
 
 // We never resolve Mirror by its handle so to avoid memory leaks caused by Mirrors in the cache we disable it.
 ToggleMirrorCache(false);
 
 return DebuggerScript;
 })();