DevTools: Expand protocol to allow setting DOM event breakpoints on a given event target.

LayoutTests/http/tests/inspector/debugger-test.js

 var initialize_DebuggerTest = function() {
 
 InspectorTest.startDebuggerTest = function(callback, quiet)
 {
     console.assert(WebInspector.debuggerModel.debuggerEnabled(), "Debugger has to be enabled");
     if (quiet !== undefined)
         InspectorTest._quiet = quiet;
     WebInspector.inspectorView.showPanel("sources");
 
     InspectorTest.addSniffer(WebInspector.debuggerModel, "_pausedScript", InspectorTest._pausedScript, true);
@@ skipping 205 matching lines @@
     var textEditor = sourceFrame._textEditor;
     for (var i = 0; i < textEditor.linesCount; ++i)
         InspectorTest.addResult(textEditor.line(i));
     InspectorTest.addResult("==Source frame contents end==");
 };
 
 InspectorTest._pausedScript = function(callFrames, reason, auxData, breakpointIds, asyncStackTrace)
 {
     if (!InspectorTest._quiet)
         InspectorTest.addResult("Script execution paused.");
-    InspectorTest._pausedScriptArguments = [WebInspector.DebuggerModel.CallFrame.fromPayloadArray(WebInspector.targetManager.activeTarget(), callFrames), reason, breakpointIds, asyncStackTrace];
+    InspectorTest._pausedScriptArguments = [WebInspector.DebuggerModel.CallFrame.fromPayloadArray(WebInspector.targetManager.activeTarget(), callFrames), reason, breakpointIds, asyncStackTrace, auxData];
     if (InspectorTest._waitUntilPausedCallback) {
         var callback = InspectorTest._waitUntilPausedCallback;
         delete InspectorTest._waitUntilPausedCallback;
         callback.apply(callback, InspectorTest._pausedScriptArguments);
     }
 };
 
 InspectorTest._resumedScript = function()
 {
     if (!InspectorTest._quiet)
@@ skipping 171 matching lines @@
 InspectorTest.scriptFormatter = function()
 {
     var editorActions = WebInspector.moduleManager.instances(WebInspector.SourcesView.EditorAction);
     for (var i = 0; i < editorActions.length; ++i) {
         if (editorActions[i] instanceof WebInspector.ScriptFormatterEditorAction)
             return editorActions[i];
     }
 };
 
 };