Move libplatform files into v8::platform namespace

test/cctest/test-libplatform-task-queue.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "src/v8.h"
 
 #include "src/libplatform/task-queue.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/test-libplatform.h"
 
 using namespace v8::internal;
+using namespace v8::platform;
 
 
 TEST(TaskQueueBasic) {
   TaskCounter task_counter;
 
   TaskQueue queue;
 
   TestTask* task = new TestTask(&task_counter);
   queue.Append(task);
   CHECK_EQ(1, task_counter.GetCount());
@@ skipping 41 matching lines @@
   thread1.Signal();
   thread2.Signal();
 
   queue.Terminate();
 
   thread1.Join();
   thread2.Join();
 
   CHECK_EQ(0, task_counter.GetCount());
 }