DevTools: use inotify to pick changes on the filesystem.

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 f26ac3062ae813d9b1239686ffe3692723129ef8..b15b5eefb1e1a048ec256a9bcf9ddd297580c0ac 100644
--- a/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js
@@ -40,6 +40,7 @@ WebInspector.IsolatedFileSystemManager = function()
     InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.FileSystemsLoaded, this._onFileSystemsLoaded, this);
     InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.FileSystemRemoved, this._onFileSystemRemoved, this);
     InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.FileSystemAdded, this._onFileSystemAdded, this);
+    InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.FileSystemFileChanged, this._onFileSystemFileChanged, this);
 
     this._initExcludePatterSetting();
 }
@@ -51,6 +52,7 @@ WebInspector.IsolatedFileSystemManager.Events = {
     FileSystemAdded: "FileSystemAdded",
     FileSystemRemoved: "FileSystemRemoved",
     FileSystemsLoaded: "FileSystemsLoaded",
+    FileSystemFileChanged: "FileSystemFileChanged",
     ExcludedFolderAdded: "ExcludedFolderAdded",
     ExcludedFolderRemoved: "ExcludedFolderRemoved"
 }
@@ -156,6 +158,14 @@ WebInspector.IsolatedFileSystemManager.prototype = {
     },
 
     /**
+     * @param {!WebInspector.Event} event
+     */
+    _onFileSystemFileChanged: function(event)
+    {
+        this.dispatchEventToListeners(WebInspector.IsolatedFileSystemManager.Events.FileSystemFileChanged, event.data);
+    },
+
+    /**
      * @param {string} fileSystemPath
      */
     _fileSystemRemoved: function(fileSystemPath)