Begin migrating the vm service from a rest-style interface to a json-rpc style interface.

runtime/observatory/lib/src/app/application.dart

Index: runtime/observatory/lib/src/app/application.dart
diff --git a/runtime/observatory/lib/src/app/application.dart b/runtime/observatory/lib/src/app/application.dart
index a280f4ec50232a45d88739387b6e376521ac4de7..0c6f670ed3f89a067354ceae914b4dcc99498916 100644
--- a/runtime/observatory/lib/src/app/application.dart
+++ b/runtime/observatory/lib/src/app/application.dart
@@ -105,6 +105,9 @@ class ObservatoryApplication extends Observable {
   void _registerPages() {
     _pageRegistry.add(new ClassTreePage(this));
     _pageRegistry.add(new DebuggerPage(this));
+    _pageRegistry.add(new CpuProfilerPage(this));
+    _pageRegistry.add(new AllocationProfilerPage(this));
+    _pageRegistry.add(new HeapMapPage(this));
     _pageRegistry.add(new VMConnectPage(this));
     _pageRegistry.add(new ErrorViewPage(this));
     _pageRegistry.add(new MetricsPage(this));