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

tools/threadpool/CondVar.h

Index: tools/threadpool/CondVar.h
diff --git a/include/utils/SkCondVar.h b/tools/threadpool/CondVar.h
similarity index 85%
rename from include/utils/SkCondVar.h
rename to tools/threadpool/CondVar.h
index 861a2aba8a057341d26f65110d8711daf7c50585..68e7fe2a2ce0aed39fa6ef0235bd23780fdb9ec1 100644
--- a/include/utils/SkCondVar.h
+++ b/tools/threadpool/CondVar.h
@@ -5,13 +5,17 @@
  * 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
 
 /**
@@ -21,10 +25,10 @@
  * 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.