DevTools: support resolving a UILocation to multiple raw script locations

third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.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 1070 matching lines @@
     return this.debuggerModel.scriptForId(this.scriptId);
   }
 
   continueToLocation() {
     this.debuggerModel._agent.continueToLocation(this.payload());
   }
 
   /**
    * @return {string}
    */
+  uniqueScriptId() {
+    return this.debuggerModel.target().id() + ':' + this.scriptId;
+  }
+
+  /**
+   * @return {string}
+   */
   id() {
-    return this.debuggerModel.target().id() + ':' + this.scriptId + ':' + this.lineNumber + ':' + this.columnNumber;
+    return this.uniqueScriptId() + ':' + this.lineNumber + ':' + this.columnNumber;
   }
 };
 
 /**
  * @unrestricted
  */
 SDK.DebuggerModel.BreakLocation = class extends SDK.DebuggerModel.Location {
   /**
    * @param {!SDK.DebuggerModel} debuggerModel
    * @param {string} scriptId
@@ skipping 359 matching lines @@
         stack.callFrames.shift();
       if (previous && (!stack.callFrames.length && !stack.promiseCreationFrame))
         previous.parent = stack.parent;
       else
         previous = stack;
       stack = stack.parent;
     }
     return asyncStackTrace;
   }
 };