[DevTools] Remove methods on Common.Event.

third_party/WebKit/LayoutTests/inspector/sources/debugger-breakpoints/breakpoint-manager.js

 var initialize_BreakpointManagerTest = function() {
 
 InspectorTest.createWorkspace = function(ignoreEvents)
 {
     if (InspectorTest.testFileSystemWorkspaceBinding)
         InspectorTest.testFileSystemWorkspaceBinding.dispose();
     Workspace.fileSystemMapping.resetForTesting();
 
     InspectorTest.testTargetManager = new SDK.TargetManager();
     InspectorTest.testWorkspace = new Workspace.Workspace();
@@ skipping 218 matching lines @@
         this._scripts = {};
         this._breakpoints = {};
         this._debuggerWorkspaceBinding = InspectorTest.testDebuggerWorkspaceBinding;
     }
 
     target()
     {
         return this._target;
     }
 
+    setBeforePausedCallback(callback) { }
+
     _targetDisposed() { }
 
     debuggerEnabled()
     {
         return true;
     }
 
     scriptsForSourceURL(url)
     {
         var script = this._scriptForURL(url);
@@ skipping 319 matching lines @@
     }
 
     function finish()
     {
         InspectorTest.dumpBreakpointLocations(breakpointManager);
         next();
     }
 }
 
 }