Add NaCl proxy for pepper gamepad

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

Index: ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_server.cc
diff --git a/ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_server.cc b/ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_server.cc
index 0bbbd2f94082c327054e1058e28078b61f1573e2..5c92a13e35fc730918070d906b90a5c35a6d2b0e 100644
--- a/ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_server.cc
+++ b/ppapi/native_client/src/shared/ppapi_proxy/ppb_rpc_server.cc
@@ -933,6 +933,20 @@ static void PPB_Fullscreen_GetScreenSizeDispatcher(
   );
 }
 
+static void PPB_Gamepad_SampleGamepadsDispatcher(
+    NaClSrpcRpc* rpc,
+    NaClSrpcArg** inputs,
+    NaClSrpcArg** outputs,
+    NaClSrpcClosure* done
+) {
+  PpbGamepadRpcServer::PPB_Gamepad_SampleGamepads(
+      rpc,
+      done,
+      inputs[0]->u.ival,
+      &(outputs[0]->u.count), outputs[0]->arrays.carr
+  );
+}
+
 static void PPB_Graphics2D_CreateDispatcher(
     NaClSrpcRpc* rpc,
     NaClSrpcArg** inputs,
@@ -2634,6 +2648,7 @@ NaClSrpcHandlerDesc PpbRpcs::srpc_methods[] = {
   { "PPB_Font_PixelOffsetForCharacter:iCCi:i", PPB_Font_PixelOffsetForCharacterDispatcher },
   { "PPB_Fullscreen_SetFullscreen:ii:i", PPB_Fullscreen_SetFullscreenDispatcher },
   { "PPB_Fullscreen_GetScreenSize:i:Ci", PPB_Fullscreen_GetScreenSizeDispatcher },
+  { "PPB_Gamepad_SampleGamepads:i:C", PPB_Gamepad_SampleGamepadsDispatcher },
   { "PPB_Graphics2D_Create:iCi:i", PPB_Graphics2D_CreateDispatcher },
   { "PPB_Graphics2D_IsGraphics2D:i:i", PPB_Graphics2D_IsGraphics2DDispatcher },
   { "PPB_Graphics2D_Describe:i:Cii", PPB_Graphics2D_DescribeDispatcher },