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

LayoutTests/inspector/sources/debugger/event-listener-breakpoints.html

Index: LayoutTests/inspector/sources/debugger/event-listener-breakpoints.html
diff --git a/LayoutTests/inspector/sources/debugger/event-listener-breakpoints.html b/LayoutTests/inspector/sources/debugger/event-listener-breakpoints.html
index dba4a734722654248e934121f12faf6e4cc47dad..c3ade10a218a559b86b86764c832f38839241e96 100644
--- a/LayoutTests/inspector/sources/debugger/event-listener-breakpoints.html
+++ b/LayoutTests/inspector/sources/debugger/event-listener-breakpoints.html
@@ -21,6 +21,29 @@ function timerFired()
     return 0;
 }
 
+function addLoadListeners()
+{
+    var xhr = new XMLHttpRequest();
+    xhr.onload = loadCallback;
+    xhr.onerror = loadCallback;
+    xhr.open("GET", "http://localhost/", true);
+
+    var img = new Image();
+    img.onload = sendXHR;
+    img.onerror = sendXHR;
+    img.src = "foo/bar/dummy";
+
+    function sendXHR()
+    {
+        xhr.send();
+    }
+}
+
+function loadCallback()
+{
+    return 0;
+}
+
 function test()
 {
     WebInspector.inspectorView.showPanel("sources");
@@ -32,16 +55,17 @@ function test()
             InspectorTest.waitUntilPaused(paused);
             InspectorTest.evaluateInPageWithTimeout("addListenerAndClick()");
 
-            function paused(callFrames)
+            function paused(callFrames, reason, breakpointIds, asyncStackTrace, auxData)
             {
                 InspectorTest.captureStackTrace(callFrames);
+                printEventTargetName(auxData);
                 pane._removeBreakpoint("listener:click");
                 InspectorTest.resumeExecution(resumed);
             }
 
             function resumed()
             {
-                InspectorTest.evaluateInPage("addListenerAndClick())", next);
+                InspectorTest.evaluateInPage("addListenerAndClick()", next);
             }
         },
 
@@ -57,8 +81,39 @@ function test()
                 pane._removeBreakpoint("instrumentation:timerFired");
                 InspectorTest.resumeExecution(next);
             }
+        },
+
+        function testLoadBreakpointOnXHR(next)
+        {
+            DOMDebuggerAgent.setEventListenerBreakpoint("load", "xmlHTTPrequest"); // test case-insensitive match
+            DOMDebuggerAgent.setEventListenerBreakpoint("error", "XMLHttpRequest");
+            InspectorTest.waitUntilPaused(paused);
+            InspectorTest.evaluateInPageWithTimeout("addLoadListeners()");
+
+            function paused(callFrames, reason, breakpointIds, asyncStackTrace, auxData)
+            {
+                InspectorTest.captureStackTrace(callFrames);
+                printEventTargetName(auxData);
+                DOMDebuggerAgent.removeEventListenerBreakpoint("load", "XMLHttpRequest");
+                DOMDebuggerAgent.removeEventListenerBreakpoint("error", "xmlHTTPrequest");
+                InspectorTest.resumeExecution(resumed);
+            }
+
+            function resumed()
+            {
+                InspectorTest.evaluateInPage("addLoadListeners()", next);
+            }
         }
     ]);
+
+    function printEventTargetName(auxData)
+    {
+        var targetName = auxData && auxData.targetName;
+        if (targetName)
+            InspectorTest.addResult("Event target: " + targetName);
+        else
+            InspectorTest.addResult("FAIL: No event target name received!");
+    }
 }
 
 </script>