[JS] Rename JsLocation.identityObject to fileIdentity

js/js.sourcemap/src/org/jetbrains/kotlin/js/sourceMap/SourceMap3Builder.java

@@ -122,11 +122,11 @@ public class SourceMap3Builder implements SourceMapBuilder {
 
     @Override
     public void addMapping(
-            @NotNull String source, @Nullable Object identityObject, @NotNull Supplier<Reader> sourceContent,
+            @NotNull String source, @Nullable Object sourceFileIdentity, @NotNull Supplier<Reader> sourceContent,
             int sourceLine, int sourceColumn
     ) {
         source = source.replace(File.separatorChar, '/');
-        int sourceIndex = getSourceIndex(source, identityObject, sourceContent);
+        int sourceIndex = getSourceIndex(source, sourceFileIdentity, sourceContent);
 
         if (!currentMappingIsEmpty && previousSourceIndex == sourceIndex && previousSourceLine == sourceLine &&
             previousSourceColumn == sourceColumn) {

js/js.sourcemap/src/org/jetbrains/kotlin/js/sourceMap/SourceMapBuilderConsumer.kt

@@ -81,7 +81,7 @@ class SourceMapBuilderConsumer(
                 }
                 mappingConsumer.addMapping(
                     path,
-                    sourceInfo.identityObject,
+                    sourceInfo.fileIdentity,
                     contentSupplier,
                     sourceInfo.startLine,
                     sourceInfo.startChar

js/js.sourcemap/src/org/jetbrains/kotlin/js/sourceMap/SourceMapMappingConsumer.java

@@ -15,7 +15,7 @@ public interface SourceMapMappingConsumer {
     void newLine();
 
     void addMapping(
-            @NotNull String source, @Nullable Object sourceIdentity, @NotNull Supplier<Reader> sourceSupplier,
+            @NotNull String source, @Nullable Object fileIdentity, @NotNull Supplier<Reader> sourceSupplier,
             int sourceLine, int sourceColumn
     );