Move Layout unit test into webkit_unit_tests.

Source/WebKit/chromium/tests/LayoutUnitTest.cpp

 /*
  * Copyright (c) 2012, 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.
  */
 
 #define ENABLE_SUBPIXEL_LAYOUT 1
 #define ENABLE_SATURATED_LAYOUT_ARITHMETIC 1
 #include "config.h"
 
-#include <WebCore/LayoutUnit.h>
+#include "LayoutUnit.h"
+#include <gtest/gtest.h>
 
 using namespace WebCore;
 
-namespace TestWebKitAPI {
+namespace {
 
 TEST(WebCoreLayoutUnit, LayoutUnitInt)
 {
     ASSERT_EQ(LayoutUnit(INT_MIN).toInt(), intMinForLayoutUnit);
     ASSERT_EQ(LayoutUnit(INT_MIN / 2).toInt(), intMinForLayoutUnit);
     ASSERT_EQ(LayoutUnit(intMinForLayoutUnit - 1).toInt(), intMinForLayoutUnit); 
     ASSERT_EQ(LayoutUnit(intMinForLayoutUnit).toInt(), intMinForLayoutUnit);
     ASSERT_EQ(LayoutUnit(intMinForLayoutUnit + 1).toInt(), intMinForLayoutUnit + 1);
     ASSERT_EQ(LayoutUnit(intMinForLayoutUnit / 2).toInt(), intMinForLayoutUnit / 2);
     ASSERT_EQ(LayoutUnit(-10000).toInt(), -10000);
@@ skipping 194 matching lines @@
     ASSERT_EQ(LayoutUnit(-1.0).floor(), -1);
     
     ASSERT_EQ(LayoutUnit(intMaxForLayoutUnit).floor(), intMaxForLayoutUnit);
 
     ASSERT_EQ(LayoutUnit(intMinForLayoutUnit).floor(), intMinForLayoutUnit);
     ASSERT_EQ((LayoutUnit(intMinForLayoutUnit) + LayoutUnit(0.5)).floor(), intMinForLayoutUnit);
     ASSERT_EQ((LayoutUnit(intMinForLayoutUnit) + LayoutUnit(1)).floor(), intMinForLayoutUnit + 1);
 }
 
 
-} // namespace TestWebKitAPI
+}  // namespace