DevTools: support resolving a UILocation to multiple raw script locations

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

Index: third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
diff --git a/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js b/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
index 8ff4c7f32d14d7a318d4747efe8115547a205353..a21ffd59fc0f71f2ae56e0c6d2897a8d5ebeb7e4 100644
--- a/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
+++ b/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js
@@ -150,19 +150,20 @@ Bindings.CompilerScriptMapping = class {
    * @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 script = uiSourceCode[Bindings.CompilerScriptMapping._scriptSymbol];
     if (!script)
-      return null;
+      return [];
     var sourceMap = this._sourceMapManager.sourceMapForClient(script);
     if (!sourceMap)
-      return null;
+      return [];
     var entry = sourceMap.firstSourceLineMapping(uiSourceCode.url(), lineNumber);

[dgozman, 2017/05/02 19:47:41]

We can actually return multiple here. Are you going to follow up?

     if (!entry)
-      return null;
-    return this._debuggerModel.createRawLocation(script, entry.lineNumber, entry.columnNumber);
+      return [];
+    var location = this._debuggerModel.createRawLocation(script, entry.lineNumber, entry.columnNumber);
+    return location ? [location] : [];
   }
 
   /**