DevTools: omit remoteBase query param when starting a shared worker

third_party/WebKit/Source/devtools/front_end/services/ServiceManager.js

Index: third_party/WebKit/Source/devtools/front_end/services/ServiceManager.js
diff --git a/third_party/WebKit/Source/devtools/front_end/services/ServiceManager.js b/third_party/WebKit/Source/devtools/front_end/services/ServiceManager.js
index f55a4bd2ba78c5c0dbc8d48c5bc25f9da81079d9..0d08aeda73549fd6d7344c8754ca05bb651cda62 100644
--- a/third_party/WebKit/Source/devtools/front_end/services/ServiceManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/services/ServiceManager.js
@@ -31,7 +31,9 @@ Services.ServiceManager = class {
   createAppService(appName, serviceName, isSharedWorker) {
     var url = appName + '.js';
     var remoteBase = Runtime.queryParam('remoteBase');
-    if (remoteBase)
+    // Do not pass additional query parameters to shared worker to avoid URLMismatchError
+    // in case another instance of DevTools with different remoteBase creates same shared worker.
+    if (remoteBase && !isSharedWorker)
       url += '?remoteBase=' + remoteBase;
 
     var worker = isSharedWorker ? new SharedWorker(url, appName) : new Worker(url);

[dgozman, 2016/12/02 19:55:53]

Should we instead pass different appName for different urls?