Add TestingInstance::EvalScript method which posts a message that the test page can eval().

ppapi/native_client/src/shared/ppapi_proxy/browser_ppb_testing_rpc_server.cc

Index: ppapi/native_client/src/shared/ppapi_proxy/browser_ppb_testing_rpc_server.cc
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/browser_ppb_testing_rpc_server.cc	(revision 114053)
+++ ppapi/native_client/src/shared/ppapi_proxy/browser_ppb_testing_rpc_server.cc	(working copy)
@@ -17,7 +17,9 @@
 #include "srpcgen/ppb_rpc.h"
 
 using ppapi_proxy::DebugPrintf;
+using ppapi_proxy::DeserializeTo;
 using ppapi_proxy::PPBTestingInterface;
+using ppapi_proxy::SerializeTo;
 
 void PpbTestingRpcServer::PPB_Testing_ReadImageData(
     NaClSrpcRpc* rpc,
@@ -90,4 +92,50 @@
   rpc->result = NACL_SRPC_RESULT_OK;
 }
 
+void PpbTestingRpcServer::PPB_Testing_SimulateInputEvent(
+    NaClSrpcRpc* rpc,
+    NaClSrpcClosure* done,
+    PP_Instance instance,
+    PP_Resource input_event) {
+  NaClSrpcClosureRunner runner(done);
+  rpc->result = NACL_SRPC_RESULT_APP_ERROR;
 
+  PPBTestingInterface()->SimulateInputEvent(instance, input_event);
+
+  DebugPrintf("PPB_Testing::SimulateInputEvent: instance=%"NACL_PRIu32"\n",
+              instance);
+  rpc->result = NACL_SRPC_RESULT_OK;
+}
+
+void PpbTestingRpcServer::PPB_Testing_ExecuteScript(
+    NaClSrpcRpc* rpc,
+    NaClSrpcClosure* done,
+    PP_Instance instance,
+    nacl_abi_size_t script_size, char* script_bytes,
+    nacl_abi_size_t* result_size, char* result_bytes,
+    nacl_abi_size_t* exception_size, char* exception_bytes) {
+  NaClSrpcClosureRunner runner(done);
+  rpc->result = NACL_SRPC_RESULT_APP_ERROR;
+
+  PP_Var script;
+  if (!DeserializeTo(script_bytes, script_size, 1, &script))
+    return;
+
+  PP_Var exception = PP_MakeUndefined();
+  PP_Var result =
+      PPBTestingInterface()->ExecuteScript(instance, script, &exception);
+
+  // The proxy can't serialize anything more complex than a string.
+  if (result.type > PP_VARTYPE_STRING)
+    result = PP_MakeUndefined();
+  if (exception.type > PP_VARTYPE_STRING)
+    exception = PP_MakeUndefined();
+
+  if (!SerializeTo(&result, result_bytes, result_size))
+    return;
+  if (!SerializeTo(&exception, exception_bytes, exception_size))
+    return;
+
+  rpc->result = NACL_SRPC_RESULT_OK;
+}
+