[DevTools] Cleanup Page domain calls, which should be Emulation calls.

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

 var initialize_InspectorTest = function() {
 
 var results = [];
 
 function consoleOutputHook(messageType)
 {
     InspectorTest.addResult(messageType + ": " + Array.prototype.slice.call(arguments, 1));
 }
 
 window._originalConsoleLog = console.log.bind(console);
@@ skipping 697 matching lines @@
 }
 
 WebInspector.targetManager.observeTargets({
     targetAdded: function(target)
     {
         if (InspectorTest.CSSAgent)
             return;
         InspectorTest.CSSAgent = target.cssAgent();
         InspectorTest.CanvasAgent = target.canvasAgent();
         InspectorTest.ConsoleAgent = target.consoleAgent();
+        InspectorTest.DeviceOrientationAgent = target.deviceOrientationAgent();
         InspectorTest.DOMAgent = target.domAgent();
         InspectorTest.DOMDebuggerAgent = target.domdebuggerAgent();
         InspectorTest.DebuggerAgent = target.debuggerAgent();
         InspectorTest.EmulationAgent = target.emulationAgent();
         InspectorTest.HeapProfilerAgent = target.heapProfilerAgent();
         InspectorTest.InspectorAgent = target.inspectorAgent();
         InspectorTest.LayerTreeAgent = target.layerTreeAgent();
         InspectorTest.NetworkAgent = target.networkAgent();
         InspectorTest.PageAgent = target.pageAgent();
         InspectorTest.ProfilerAgent = target.profilerAgent();
@@ skipping 232 matching lines @@
     _output("[page] " + text);
 }
 
 function _output(result)
 {
     if (!outputElement)
         createOutputElement();
     outputElement.appendChild(document.createTextNode(result));
     outputElement.appendChild(document.createElement("br"));
 }