[DevTools] Migrate inspector-protocol/debugger tests to new harness

third_party/WebKit/LayoutTests/inspector-protocol/resources/inspector-protocol-test.js

Index: third_party/WebKit/LayoutTests/inspector-protocol/resources/inspector-protocol-test.js
diff --git a/third_party/WebKit/LayoutTests/inspector-protocol/resources/inspector-protocol-test.js b/third_party/WebKit/LayoutTests/inspector-protocol/resources/inspector-protocol-test.js
index ca431062fb82e66fbdbae98a91461ff5e2801162..f2c60bad465fd7a8e64cc8dd0e562c59b61c500d 100644
--- a/third_party/WebKit/LayoutTests/inspector-protocol/resources/inspector-protocol-test.js
+++ b/third_party/WebKit/LayoutTests/inspector-protocol/resources/inspector-protocol-test.js
@@ -312,7 +312,7 @@ TestRunner.Session = class {
         var eventName = match[3];
         eventName = eventName.charAt(0).toLowerCase() + eventName.slice(1);
         if (match[1] === 'once')
-          return () => this._waitForEvent(`${agentName}.${eventName}`);
+          return eventMatcher => this._waitForEvent(`${agentName}.${eventName}`, eventMatcher);
         if (match[1] === 'off')
           return listener => this._removeEventHandler(`${agentName}.${eventName}`, listener);
         return listener => this._addEventHandler(`${agentName}.${eventName}`, listener);
@@ -335,9 +335,11 @@ TestRunner.Session = class {
     this._eventHandlers.set(eventName, handlers);
   }
 
-  _waitForEvent(eventName) {
+  _waitForEvent(eventName, eventMatcher) {
     return new Promise(callback => {
       var handler = result => {
+        if (eventMatcher && !eventMatcher(result))
+          return;
         this._removeEventHandler(eventName, handler);
         callback(result);
       };