DevTools: improve DevTools file watcher to send added and removed paths

chrome/browser/devtools/devtools_ui_bindings.cc

Index: chrome/browser/devtools/devtools_ui_bindings.cc
diff --git a/chrome/browser/devtools/devtools_ui_bindings.cc b/chrome/browser/devtools/devtools_ui_bindings.cc
index fd0690afd29cde123e98efa4e6caaaeb814999cc..fd3f0dd9223737448c8a11a3282c3041fd5ad212 100644
--- a/chrome/browser/devtools/devtools_ui_bindings.cc
+++ b/chrome/browser/devtools/devtools_ui_bindings.cc
@@ -977,10 +977,17 @@ void DevToolsUIBindings::FileSystemRemoved(
 }
 
 void DevToolsUIBindings::FilePathsChanged(
-    const std::vector<std::string>& file_paths) {
+    const std::vector<std::string>& changed_paths,
+    const std::vector<std::string>& added_paths,
+    const std::vector<std::string>& removed_paths) {
   base::ListValue list;
-  for (auto path : file_paths)
+  for (auto path : changed_paths)
+    list.AppendString(path);
+  for (auto path : added_paths)
     list.AppendString(path);
+  for (auto path : removed_paths)
+    list.AppendString(path);
+
   CallClientFunction("DevToolsAPI.fileSystemFilesChanged",
                      &list, NULL, NULL);
 }