Cleanup namespace usage in Source/web/.

Source/web/tests/SpinLockTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 18 matching lines @@
  */
 
 #include "config.h"
 #include "wtf/SpinLock.h"
 
 #include "platform/Task.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebThread.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
-
 #include <gtest/gtest.h>
 
-using blink::Task;
+namespace {
 
-namespace {
+using namespace blink;
 
 static const size_t bufferSize = 16;
 
 static int lock = 0;
 
 static void fillBuffer(volatile char* buffer, char fillPattern)
 {
     for (size_t i = 0; i < bufferSize; ++i)
         buffer[i] = fillPattern;
 }
@@ skipping 18 matching lines @@
         spinLockLock(&lock);
         changeAndCheckBuffer(buffer);
         spinLockUnlock(&lock);
     }
 }
 
 TEST(WTF_SpinLock, Torture)
 {
     char sharedBuffer[bufferSize];
 
-    OwnPtr<blink::WebThread> thread1 = adoptPtr(blink::Platform::current()->createThread("thread1"));
-    OwnPtr<blink::WebThread> thread2 = adoptPtr(blink::Platform::current()->createThread("thread2"));
+    OwnPtr<WebThread> thread1 = adoptPtr(Platform::current()->createThread("thread1"));
+    OwnPtr<WebThread> thread2 = adoptPtr(Platform::current()->createThread("thread2"));
 
     thread1->postTask(new Task(WTF::bind(&threadMain, static_cast<char*>(sharedBuffer))));
     thread2->postTask(new Task(WTF::bind(&threadMain, static_cast<char*>(sharedBuffer))));
 
     thread1.clear();
     thread2.clear();
 }
 
 } // namespace