[DevTools] Refactor connection-related classes.

third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js

 if (window.GCController)
     GCController.collectAll();
 var initialize_InspectorTest = function() {
 
 var results = [];
 
 function consoleOutputHook(messageType)
 {
     InspectorTest.addResult(messageType + ": " + Array.prototype.slice.call(arguments, 1));
 }
@@ skipping 441 matching lines @@
         callback();
     }
     InspectorTest._pageLoadedCallback = InspectorTest.safeWrap(chainedCallback);
 }
 
 InspectorTest.deprecatedRunAfterPendingDispatches = function(callback)
 {
     var barrier = new CallbackBarrier();
     var targets = WebInspector.targetManager.targets();
     for (var i = 0; i < targets.length; ++i)
-        targets[i]._connection.deprecatedRunAfterPendingDispatches(barrier.createCallback());
+        targets[i]._targetProto._deprecatedRunAfterPendingDispatches(barrier.createCallback());
     barrier.callWhenDone(InspectorTest.safeWrap(callback));
 }
 
 InspectorTest.createKeyEvent = function(key, ctrlKey, altKey, shiftKey, metaKey)
 {
     return new KeyboardEvent("keydown", {key: key, bubbles: true, cancelable: true, ctrlKey: ctrlKey, altKey: altKey, shiftKey: shiftKey, metaKey: metaKey});
 }
 
 InspectorTest.runTestSuite = function(testSuite)
 {
@@ skipping 438 matching lines @@
         InspectorTest.cssModel = WebInspector.CSSModel.fromTarget(target);
         InspectorTest.workerManager = target.workerManager;
         InspectorTest.powerProfiler = target.powerProfiler;
         InspectorTest.cpuProfilerModel = target.cpuProfilerModel;
         InspectorTest.heapProfilerModel = target.heapProfilerModel;
         InspectorTest.animationModel = target.animationModel;
         InspectorTest.serviceWorkerCacheModel = target.serviceWorkerCacheModel;
         InspectorTest.serviceWorkerManager = target.serviceWorkerManager;
         InspectorTest.tracingManager = target.tracingManager;
         InspectorTest.mainTarget = target;
-        InspectorTest.connection = target._connection;
+        InspectorTest.connection = target._targetProto;
     },
 
     targetRemoved: function(target) { }
 });
 
 InspectorTest._panelsToPreload = [];
 
 InspectorTest.preloadPanel = function(panelName)
 {
     InspectorTest._panelsToPreload.push(panelName);
@@ skipping 233 matching lines @@
     _output("[page] " + text);
 }
 
 function _output(result)
 {
     if (!outputElement)
         createOutputElement();
     outputElement.appendChild(document.createTextNode(result));
     outputElement.appendChild(document.createElement("br"));
 }