[DevTools] Update XHR breakpoint enabled checkbox when needed

third_party/WebKit/Source/devtools/front_end/sources/XHRBreakpointsSidebarPane.js

Index: third_party/WebKit/Source/devtools/front_end/sources/XHRBreakpointsSidebarPane.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/XHRBreakpointsSidebarPane.js b/third_party/WebKit/Source/devtools/front_end/sources/XHRBreakpointsSidebarPane.js
index 9acc0a31f10848e3c51a5296d4699ee26cef39e1..4364d685db14b6e4271197f684091e9626d9fd67 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/XHRBreakpointsSidebarPane.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/XHRBreakpointsSidebarPane.js
@@ -100,8 +100,10 @@ WebInspector.XHRBreakpointsSidebarPane.prototype = {
         if (enabled)
             this._updateBreakpointOnTarget(url, true, target);
 
-        if (this._breakpointElements.has(url))
+        if (this._breakpointElements.has(url)) {
+            this._breakpointElements.get(url)._checkboxElement.checked = enabled;
             return;
+        }
 
         var element = createElement("li");
         element._url = url;