exo: Fix benchmark-interval flag in motion events client.

components/exo/wayland/clients/motion_events.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Implementation of a client that produces output in the form of RGBA
 // buffers when receiving pointer/touch events. RGB contains the lower
 // 24 bits of the event timestamp and A is 0xff.
 
 #include <fcntl.h>
 #include <linux-dmabuf-unstable-v1-client-protocol.h>
@@ skipping 851 matching lines @@
       (!base::StringToSizeT(
           command_line->GetSwitchValueASCII(switches::kBenchmark),
           &num_benchmark_runs))) {
     LOG(ERROR) << "Invalid value for " << switches::kBenchmark;
     return 1;
   }
 
   size_t benchmark_interval_ms = 5000;  // 5 seconds.
   if (command_line->HasSwitch(switches::kBenchmarkInterval) &&
       (!base::StringToSizeT(
-          command_line->GetSwitchValueASCII(switches::kBenchmark),
+          command_line->GetSwitchValueASCII(switches::kBenchmarkInterval),
           &benchmark_interval_ms))) {
-    LOG(ERROR) << "Invalid value for " << switches::kBenchmark;
+    LOG(ERROR) << "Invalid value for " << switches::kBenchmarkInterval;
     return 1;
   }
 
   std::unique_ptr<std::string> use_drm;
   if (command_line->HasSwitch(switches::kUseDrm)) {
     use_drm.reset(
         new std::string(command_line->GetSwitchValueASCII(switches::kUseDrm)));
   }
 
   exo::wayland::clients::MotionEvents client(
       width, height, scale, num_rects, max_frames_pending,
       command_line->HasSwitch(switches::kFullscreen),
       command_line->HasSwitch(switches::kShowFpsCounter), num_benchmark_runs,
       base::TimeDelta::FromMilliseconds(benchmark_interval_ms), use_drm.get());
   return client.Run();
 }