Revert 93223 - Reland http://codereview.chromium.org/7452002/

ppapi/proxy/ppp_instance_proxy.cc

Index: ppapi/proxy/ppp_instance_proxy.cc
===================================================================
--- ppapi/proxy/ppp_instance_proxy.cc	(revision 93228)
+++ ppapi/proxy/ppp_instance_proxy.cc	(working copy)
@@ -65,6 +65,21 @@
                                               instance, has_focus));
 }
 
+PP_Bool HandleInputEvent(PP_Instance instance,
+                         const PP_InputEvent* event) {
+  PP_Bool result = PP_FALSE;
+  IPC::Message* msg = new PpapiMsg_PPPInstance_HandleInputEvent(
+      INTERFACE_ID_PPP_INSTANCE, instance, *event, &result);
+  // Make this message not unblock, to avoid re-entrancy problems when the
+  // plugin does a synchronous call to the renderer. This will force any
+  // synchronous calls from the plugin to complete before processing this
+  // message. We avoid deadlock by never un-setting the unblock flag on messages
+  // from the plugin to the renderer.
+  msg->set_unblock(false);
+  HostDispatcher::GetForInstance(instance)->Send(msg);
+  return result;
+}
+
 PP_Bool HandleDocumentLoad(PP_Instance instance,
                            PP_Resource url_loader) {
   PP_Bool result = PP_FALSE;
@@ -97,11 +112,12 @@
   return result;
 }
 
-static const PPP_Instance_1_0 instance_interface_1_0 = {
+static const PPP_Instance_0_5 instance_interface_0_5 = {
   &DidCreate,
   &DidDestroy,
   &DidChangeView,
   &DidChangeFocus,
+  &HandleInputEvent,
   &HandleDocumentLoad
 };
 
@@ -119,13 +135,13 @@
 }
 
 // static
-const InterfaceProxy::Info* PPP_Instance_Proxy::GetInfo1_0() {
+const InterfaceProxy::Info* PPP_Instance_Proxy::GetInfo0_5() {
   static const Info info = {
-    &instance_interface_1_0,
-    PPP_INSTANCE_INTERFACE_1_0,
+    &instance_interface_0_5,
+    PPP_INSTANCE_INTERFACE_0_5,
     INTERFACE_ID_PPP_INSTANCE,
     false,
-    &CreateInstanceProxy<PPP_Instance_1_0>,
+    &CreateInstanceProxy<PPP_Instance_0_5>,
   };
   return &info;
 }
@@ -141,6 +157,8 @@
                         OnMsgDidChangeView)
     IPC_MESSAGE_HANDLER(PpapiMsg_PPPInstance_DidChangeFocus,
                         OnMsgDidChangeFocus)
+    IPC_MESSAGE_HANDLER(PpapiMsg_PPPInstance_HandleInputEvent,
+                        OnMsgHandleInputEvent)
     IPC_MESSAGE_HANDLER(PpapiMsg_PPPInstance_HandleDocumentLoad,
                         OnMsgHandleDocumentLoad)
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -206,6 +224,12 @@
   combined_interface_->DidChangeFocus(instance, has_focus);
 }
 
+void PPP_Instance_Proxy::OnMsgHandleInputEvent(PP_Instance instance,
+                                               const PP_InputEvent& event,
+                                               PP_Bool* result) {
+  *result = combined_interface_->HandleInputEvent(instance, &event);
+}
+
 void PPP_Instance_Proxy::OnMsgHandleDocumentLoad(PP_Instance instance,
                                                  const HostResource& url_loader,
                                                  PP_Bool* result) {