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

third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js

Index: third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
diff --git a/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js b/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
index dc96332bc759c1a21643cc7b2eec12eb867ee721..bd2d4e757075938585d302ff2857fac8af1d124b 100644
--- a/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
@@ -34,6 +34,8 @@
  */
 WebInspector.IsolatedFileSystemManager = function()
 {
+    WebInspector.Object.call(this);

[dgozman, 2016/10/04 00:17:02]

Whoa!

+
     /** @type {!Map<string, !WebInspector.IsolatedFileSystem>} */
     this._fileSystems = new Map();
     /** @type {!Map<number, function(!Array.<string>)>} */
@@ -199,8 +201,10 @@ WebInspector.IsolatedFileSystemManager.prototype = {
      */
     _onFileSystemFilesChanged: function(event)
     {
-        var embedderPaths = /** @type {!Array<string>} */ (event.data);
-        var paths = embedderPaths.map(embedderPath => WebInspector.IsolatedFileSystemManager.normalizePath(embedderPath));
+        var changedPaths = /** @type {!Array<string>} */ (event.data["changedPaths"]).map(WebInspector.IsolatedFileSystemManager.normalizePath);
+        var addedPaths = /** @type {!Array<string>} */ (event.data["addedPaths"]).map(WebInspector.IsolatedFileSystemManager.normalizePath);
+        var removedPaths = /** @type {!Array<string>} */ (event.data["removedPaths"]).map(WebInspector.IsolatedFileSystemManager.normalizePath);
+        var paths = changedPaths.concat(addedPaths, removedPaths);

[dgozman, 2016/10/04 00:17:02]

Let's use it in the same patch?

[lushnikov, 2016/10/04 01:04:19]

Reverted this.

         this.dispatchEventToListeners(WebInspector.IsolatedFileSystemManager.Events.FileSystemFilesChanged, paths);
     },