[NaCl SDK] A bunch of spelling fixes.

native_client_sdk/src/libraries/gtest_ppapi/gtest_runner.h

 // Copyright (c) 2012 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.
 #ifndef GTEST_PPAPI_GTEST_RUNNER_H_
 #define GTEST_PPAPI_GTEST_RUNNER_H_
 
 #include <pthread.h>
 #include "gtest_ppapi/thread_condition.h"
 
 namespace pp {
 class Instance;
 }  // namespace pp
 
 // GTestRunner is a threaded singleton for running gtest-based unit tests.
 class GTestRunner {
  public:
   // Factory function to create the background gtest thread and associated
   // GTestRunner singleton. It is an error to call the factory function more
-  // than once that raises an assert in debug mde.
+  // than once that raises an assert in debug mode.
   //
   // Parameters:
   // instance: the NaCl instance.
   // argc: arg count from pp::Instance::Init.
   // argv: the arguments from pp::Instance::Init.
   static void CreateGTestRunnerThread(pp::Instance* instance,
                                       int argc, char** argv);
 
   // Get the GTestRunner singleton.
   // @return A pointer to the GTestRunner singleton.
@@ skipping 18 matching lines @@
   // the thread run loop.
   enum Status { kIdle, kRunTests };
   ThreadCondition status_signal_;
   Status status_;
 
   static pthread_t g_test_runner_thread_;
   static GTestRunner* gtest_runner_;
 };
 
 #endif  // GTEST_PPAPI_GTEST_RUNNER_H_