Move threadpool code from include/utils to tools/threadpool.

tools/threadpool/CondVar.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-#ifndef SkCondVar_DEFINED
-#define SkCondVar_DEFINED
+#ifndef CondVar_DEFINED
+#define CondVar_DEFINED
+
+#include "SkTypes.h"
 
 #ifdef SK_USE_POSIX_THREADS
-#include <pthread.h>
+    #include <pthread.h>
 #elif defined(SK_BUILD_FOR_WIN32)
-#include <windows.h>
+    #include <windows.h>
+#else
+    #error "CondVar isn't supported on this platform."
 #endif
 
 /**
  * Condition variable for blocking access to shared data from other threads and
  * controlling which threads are awake.
  *
  * Currently only supported on platforms with posix threads and Windows Vista and
  * above.
  */
-class SkCondVar {
+class CondVar {
 public:
-    SkCondVar();
-    ~SkCondVar();
+    CondVar();
+    ~CondVar();
 
     /**
      * Lock a mutex. Must be done before calling the other functions on this object.
      */
     void lock();
 
     /**
      * Unlock the mutex.
      */
     void unlock();
@@ skipping 21 matching lines @@
 #ifdef SK_USE_POSIX_THREADS
     pthread_mutex_t  fMutex;
     pthread_cond_t   fCond;
 #elif defined(SK_BUILD_FOR_WIN32)
     CRITICAL_SECTION   fCriticalSection;
     CONDITION_VARIABLE fCondition;
 #endif
 };
 
 #endif