DevTools: support resolving a UILocation to multiple raw script locations

third_party/WebKit/Source/devtools/front_end/bindings/DebuggerWorkspaceBinding.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 /**
  * @unrestricted
  * @implements {SDK.SDKModelObserver<!SDK.DebuggerModel>}
  */
 Bindings.DebuggerWorkspaceBinding = class extends Common.Object {
   /**
    * @param {!SDK.TargetManager} targetManager
@@ skipping 152 matching lines @@
   rawLocationToUILocation(rawLocation) {
     var info = this._infoForScript(rawLocation.script());
     console.assert(info);
     return info._rawLocationToUILocation(rawLocation);
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {number} lineNumber
    * @param {number} columnNumber
-   * @return {?SDK.DebuggerModel.Location}
+   * @return {!Array<!SDK.DebuggerModel.Location>}
    */
-  uiLocationToRawLocation(uiSourceCode, lineNumber, columnNumber) {
+  uiLocationToRawLocations(uiSourceCode, lineNumber, columnNumber) {
     var sourceMapping = uiSourceCode[Bindings.DebuggerWorkspaceBinding._sourceMappingSymbol];
-    return sourceMapping && sourceMapping.uiLocationToRawLocation(uiSourceCode, lineNumber, columnNumber);
+    return sourceMapping ? sourceMapping.uiLocationToRawLocations(uiSourceCode, lineNumber, columnNumber) : [];
   }
 
   /**
    * @param {!Workspace.UILocation} uiLocation
    * @return {!Workspace.UILocation}
    */
   normalizeUILocation(uiLocation) {
-    var rawLocation =
-        this.uiLocationToRawLocation(uiLocation.uiSourceCode, uiLocation.lineNumber, uiLocation.columnNumber);
-    if (rawLocation)
-      return this.rawLocationToUILocation(rawLocation);
+    var rawLocations =
+        this.uiLocationToRawLocations(uiLocation.uiSourceCode, uiLocation.lineNumber, uiLocation.columnNumber);
+    if (rawLocations.length)
+      return this.rawLocationToUILocation(rawLocations[0]);
     return uiLocation;
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {number} lineNumber
    * @return {boolean}
    */
   uiLineHasMapping(uiSourceCode, lineNumber) {
     var sourceMapping = uiSourceCode[Bindings.DebuggerWorkspaceBinding._sourceMappingSymbol];
@@ skipping 380 matching lines @@
   /**
    * @param {!SDK.DebuggerModel.Location} rawLocation
    * @return {?Workspace.UILocation}
    */
   rawLocationToUILocation(rawLocation) {},
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {number} lineNumber
    * @param {number} columnNumber
-   * @return {?SDK.DebuggerModel.Location}
+   * @return {!Array<!SDK.DebuggerModel.Location>}
    */
-  uiLocationToRawLocation(uiSourceCode, lineNumber, columnNumber) {},
+  uiLocationToRawLocations(uiSourceCode, lineNumber, columnNumber) {},
 
   /**
    * @return {boolean}
    */
   isIdentity() {},
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {number} lineNumber
    * @return {boolean}
    */
   uiLineHasMapping(uiSourceCode, lineNumber) {}
 };
 
 /**
  * @type {!Bindings.DebuggerWorkspaceBinding}
  */
 Bindings.debuggerWorkspaceBinding;