Move platform abstraction to base library

test/cctest/test-libplatform.h

Index: test/cctest/test-libplatform.h
diff --git a/test/cctest/test-libplatform.h b/test/cctest/test-libplatform.h
index 815031619e199ad8be5662af075b135695f9e7e4..6e8d2b17c9b3e241101ad156221559f19c5590fb 100644
--- a/test/cctest/test-libplatform.h
+++ b/test/cctest/test-libplatform.h
@@ -40,22 +40,22 @@ class TaskCounter {
   ~TaskCounter() { CHECK_EQ(0, counter_); }
 
   int GetCount() const {
-    LockGuard<Mutex> guard(&lock_);
+    v8::base::LockGuard<v8::base::Mutex> guard(&lock_);
     return counter_;
   }
 
   void Inc() {
-    LockGuard<Mutex> guard(&lock_);
+    v8::base::LockGuard<v8::base::Mutex> guard(&lock_);
     ++counter_;
   }
 
   void Dec() {
-    LockGuard<Mutex> guard(&lock_);
+    v8::base::LockGuard<v8::base::Mutex> guard(&lock_);
     --counter_;
   }
 
  private:
-  mutable Mutex lock_;
+  mutable v8::base::Mutex lock_;
   int counter_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskCounter);
@@ -93,7 +93,7 @@ class TestTask : public v8::Task {
 };
 
 
-class TestWorkerThread : public Thread {
+class TestWorkerThread : public v8::base::Thread {
  public:
   explicit TestWorkerThread(v8::Task* task)
       : Thread("libplatform TestWorkerThread"), semaphore_(0), task_(task) {}
@@ -111,7 +111,7 @@ class TestWorkerThread : public Thread {
   }
 
  private:
-  Semaphore semaphore_;
+  v8::base::Semaphore semaphore_;
   v8::Task* task_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWorkerThread);