Fix unit test style in Source/platform/, part 1.

Source/platform/clipboard/ClipboardUtilitiesTest.cpp

 /*
  * Copyright (C) 2010 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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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 "config.h"
 #include "platform/clipboard/ClipboardUtilities.h"
 
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/WTFString.h"
-
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 #if OS(WIN)
 const char invalidCharacters[] = "\x00/\\:*?\"<>|";
 #else
 const char invalidCharacters[] =
     "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
     "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
     "\x7f/";
 #endif
 const char longString[] =
@@ skipping 29 matching lines @@
 TEST(ClipboardUtilitiesTest, NamePlusExtensionTooLong)
 {
     String name = String(longString) + longString;
     String extension = longString;
     validateFilename(name, extension);
     EXPECT_EQ("0,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,109", name);
     EXPECT_EQ(longString, extension);
     EXPECT_EQ(254u, name.length() + extension.length());
 }
 
-} // anonymous namespace
+} // namespace blink