Remove HandleInputEvent from PPP_Instance and freeze to 1.0.

ppapi/shared_impl/ppp_instance_combined.cc

Index: ppapi/shared_impl/ppp_instance_combined.cc
diff --git a/ppapi/shared_impl/ppp_instance_combined.cc b/ppapi/shared_impl/ppp_instance_combined.cc
index ce3d2c4c01cd057551066c15b32b8be9b69600f5..ffb96a40e365bf4b80f793f3289669319f15a86d 100644
--- a/ppapi/shared_impl/ppp_instance_combined.cc
+++ b/ppapi/shared_impl/ppp_instance_combined.cc
@@ -7,8 +7,20 @@
 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