DevTools: use inotify to pick changes on the filesystem.

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

Index: third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
diff --git a/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js b/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
index 9f0b8a9eb1394d3cccad48d5a22027050e83acca..10de8f594376a3ee5ce14d9fedb13f316372e1ff 100644
--- a/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
+++ b/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
@@ -85,6 +85,7 @@ WebInspector.ProjectDelegate = function() { }
 WebInspector.ProjectDelegate.Events = {
     FileAdded: "FileAdded",
     FileRemoved: "FileRemoved",
+    FileChanged: "FileChanged"
 }
 
 WebInspector.ProjectDelegate.prototype = {
@@ -208,6 +209,7 @@ WebInspector.Project = function(workspace, projectId, projectDelegate)
     this._displayName = this._projectDelegate.displayName();
     projectDelegate.addEventListener(WebInspector.ProjectDelegate.Events.FileAdded, this._fileAdded, this);
     projectDelegate.addEventListener(WebInspector.ProjectDelegate.Events.FileRemoved, this._fileRemoved, this);
+    projectDelegate.addEventListener(WebInspector.ProjectDelegate.Events.FileChanged, this._fileChanged, this);
 }
 
 /**
@@ -298,6 +300,17 @@ WebInspector.Project.prototype = {
     },
 
     /**
+     * @param {!WebInspector.Event} event
+     */
+    _fileChanged: function(event)
+    {
+        var path = /** @type {string} */ (event.data);
+        var uiSourceCode = this.uiSourceCode(path);
+        if (uiSourceCode && uiSourceCode.contentLoaded())
+            uiSourceCode.checkContentUpdated();
+    },
+
+    /**
      * @param {string} path
      */
     _removeFile: function(path)