Add functions to generate input events to PPB_Testing_Dev. These make

ppapi/proxy/ppb_testing_proxy.cc

Index: ppapi/proxy/ppb_testing_proxy.cc
===================================================================
--- ppapi/proxy/ppb_testing_proxy.cc	(revision 108154)
+++ ppapi/proxy/ppb_testing_proxy.cc	(working copy)
@@ -7,6 +7,7 @@
 #include "base/message_loop.h"
 #include "ppapi/c/dev/ppb_testing_dev.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
+#include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/resource.h"
@@ -68,12 +69,23 @@
   return PP_TRUE;
 }
 
+void SimulateInputEvent(PP_Instance instance_id, PP_Resource input_event) {
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
+  if (!dispatcher)
+    return;
+  HostResource input_event_resource;
+  input_event_resource.SetHostResource(instance_id, input_event);
+  dispatcher->Send(new PpapiHostMsg_PPBTesting_SimulateInputEvent(
+      API_ID_PPB_TESTING, instance_id, input_event_resource));
+}
+
 const PPB_Testing_Dev testing_interface = {
   &ReadImageData,
   &RunMessageLoop,
   &QuitMessageLoop,
   &GetLiveObjectsForInstance,
-  &IsOutOfProcess
+  &IsOutOfProcess,
+  &SimulateInputEvent
 };
 
 InterfaceProxy* CreateTestingProxy(Dispatcher* dispatcher) {
@@ -113,6 +125,8 @@
                         OnMsgReadImageData)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_GetLiveObjectsForInstance,
                         OnMsgGetLiveObjectsForInstance)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_SimulateInputEvent,
+                        OnMsgSimulateInputEvent)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -140,5 +154,14 @@
   *result = ppb_testing_impl_->GetLiveObjectsForInstance(instance);
 }
 
+void PPB_Testing_Proxy::OnMsgSimulateInputEvent(
+    PP_Instance instance,
+    const ppapi::HostResource& input_event) {
+  PP_Resource plugin_input_event =
+      PluginGlobals::Get()->plugin_resource_tracker()->
+          PluginResourceForHostResource(input_event);
+  ppb_testing_impl_->SimulateInputEvent(instance, plugin_input_event);
+}
+
 }  // namespace proxy
 }  // namespace ppapi