Remove HandleInputEvent from PPP_Instance and freeze to 1.0.

ppapi/shared_impl/ppp_instance_combined.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/shared_impl/ppp_instance_combined.h"
 
 namespace ppapi {
 
 PPP_Instance_Combined::PPP_Instance_Combined(
+    const PPP_Instance_1_0& instance_if)
+    : PPP_Instance_1_0(instance_if),
+      HandleInputEvent_0_5(NULL) {
+}
+
+PPP_Instance_Combined::PPP_Instance_Combined(
     const PPP_Instance_0_5& instance_if)
-    : PPP_Instance_0_5(instance_if) {
+    : PPP_Instance_1_0(),
+      HandleInputEvent_0_5(instance_if.HandleInputEvent) {
+  DidCreate = instance_if.DidCreate;
+  DidDestroy = instance_if.DidDestroy;
+  DidChangeView = instance_if.DidChangeView;
+  DidChangeFocus = instance_if.DidChangeFocus;
+  HandleDocumentLoad = instance_if.HandleDocumentLoad;
 }
 
 }  // namespace ppapi