Fix unit test style in core/{animation,css,fetch,frame,layout,style,timing}/.

Source/core/layout/OverflowModelTest.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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * 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 "core/layout/OverflowModel.h"
 
 #include "platform/geometry/LayoutRect.h"
-
 #include <gtest/gtest.h>
 
-using namespace blink;
-
 namespace blink {
 
 // FIXME: Move this somewhere more generic.
 void PrintTo(const LayoutRect& rect, std::ostream* os)
 {
     *os << "LayoutRect("
         << rect.x().toFloat() << ", "
         << rect.y().toFloat() << ", "
         << rect.width().toFloat() << ", "
         << rect.height().toFloat() << ")";
 }
 
-} // namespace blink
-
 namespace {
 
 LayoutRect initialLayoutOverflow()
 {
     return LayoutRect(10, 10, 80, 80);
 }
 
 LayoutRect initialVisualOverflow()
 {
     return LayoutRect(0, 0, 100, 100);
@@ skipping 120 matching lines @@
     EXPECT_EQ(LayoutRect(500, 100, 100, 100), m_overflow.visualOverflowRect());
 }
 
 TEST_F(OverflowModelTest, MoveAffectsContentsVisualOverflow)
 {
     m_overflow.addContentsVisualOverflow(LayoutRect(0, 0, 10, 10));
     m_overflow.move(500, 100);
     EXPECT_EQ(LayoutRect(500, 100, 10, 10), m_overflow.contentsVisualOverflowRect());
 }
 
-} // namespace
+} // anonymous namespace
+
+} // namespace blink