Cleanup namespace usage in Source/web/.

Source/web/tests/WebPageNewSerializerTest.cpp

 /*
  * Copyright (C) 2011 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 29 matching lines @@
 #include "public/web/WebDocument.h"
 #include "public/web/WebFrame.h"
 #include "public/web/WebPageSerializer.h"
 #include "public/web/WebPageSerializerClient.h"
 #include "public/web/WebScriptSource.h"
 #include "public/web/WebSettings.h"
 #include "public/web/WebView.h"
 #include "web/tests/FrameTestHelpers.h"
 #include <gtest/gtest.h>
 
-using namespace blink;
-using blink::Document;
+namespace {
+
 using blink::FrameTestHelpers::runPendingTasks;
 using blink::URLTestHelpers::toKURL;
 using blink::URLTestHelpers::registerMockedURLLoad;
-
-namespace {
+using namespace blink;
 
 class LineReader {
 public:
     LineReader(const std::string& text) : m_text(text), m_index(0) { }
     bool getNextLine(std::string* line)
     {
         line->clear();
         if (m_index >= m_text.length())
             return false;
 
@@ skipping 421 matching lines @@
     // exactly two times.
     size_t nbDataURLs = 0;
     LineReader lineReader(std::string(mhtmlData.data()));
     std::string line;
     while (lineReader.getNextLine(&line)) {
         if (line.find("data:text") != std::string::npos)
             nbDataURLs++;
     }
     EXPECT_EQ(2u, nbDataURLs);
 }