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

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

Index: ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_client.cc
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_client.cc	(revision 114869)
+++ ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_client.cc	(working copy)
@@ -1452,7 +1452,7 @@
 NaClSrpcError PpbGraphics3DRpcClient::PPB_Graphics3DTrusted_SetGetBuffer(
     NaClSrpcChannel* channel,
     PP_Resource resource_id,
-    int32_t transfer_buffer_id)  {
+    int32_t shm_id)  {
   VCHECK(ppapi_proxy::PPBCoreInterface()->IsMainThread(),
          ("%s: PPAPI calls are not supported off the main thread\n",
           __FUNCTION__));
@@ -1461,7 +1461,7 @@
       channel,
       "PPB_Graphics3DTrusted_SetGetBuffer:ii:",
       resource_id,
-      transfer_buffer_id
+      shm_id
   );
   return retval;
 }
@@ -2553,6 +2553,23 @@
   return retval;
 }
 
+NaClSrpcError PpbTestingRpcClient::PPB_Testing_SimulateInputEvent(
+    NaClSrpcChannel* channel,
+    PP_Instance instance,
+    PP_Resource input_event)  {
+  VCHECK(ppapi_proxy::PPBCoreInterface()->IsMainThread(),
+         ("%s: PPAPI calls are not supported off the main thread\n",
+          __FUNCTION__));
+  NaClSrpcError retval;
+  retval = NaClSrpcInvokeBySignature(
+      channel,
+      "PPB_Testing_SimulateInputEvent:ii:",
+      instance,
+      input_event
+  );
+  return retval;
+}
+
 NaClSrpcError PpbTestingRpcClient::PPB_Testing_GetDocumentURL(
     NaClSrpcChannel* channel,
     PP_Instance instance,